ILM teams with Ben Stiller and Apple TV+ to bring thousands of seamless visual effects shots to the hit drama’s second season. By Clayton Sandell There are mysterious and important secrets to be uncovered in the second season of the wildly popular Apple TV+ series Severance (2022-present). About 3,500 of them are hiding in plain sight. That’s roughly the number of visual effects shots helping tell the Severance story over 10 gripping episodes in the latest season, a collaborative effort led by Industrial Light & Magic. ILM’s Eric Leven served as the Severance season two production visual effects supervisor. We asked him to help pull back the curtain on some of the show’s impressive digital artistry that most viewers will probably never notice. “This is the first show I’ve ever done where it’s nothing but invisible effects,” Leven tells ILM.com. “It’s a really different calculus because nobody talks about them. And if you’ve done them well, they are invisible to the naked eye.” With so many season two shots to choose from, Leven helped us narrow down a list of his favorite visual effects sequences to five. (As a bonus, we’ll also dive into an iconic season finale shot featuring the Mr. Milchick-led marching band.) Before we dig in, a word of caution. This article contains plot spoilers for Severance. (And in case you’re already wondering: No, the goats are not computer-graphics.) Severance tells the story of Mark Scout (Adam Scott), department chief of the secretive Severed Floor located in the basement level of Lumon Industries, a multinational biotech corporation. Mark S., as he’s known to his co-workers, heads up Macrodata Refinement (MDR), a department where employees help categorize numbers without knowing the true purpose of their work.  Mark and his team – Helly R. (Britt Lower), Dylan G. (Zach Cherry), and Irving B. (John Turturro), have all undergone a surgical procedure to “sever” their personal lives from their work lives. The chip embedded in their brains effectively creates two personalities that are sometimes at odds: an “Innie” during Lumon office hours and an “Outie” at home. “This is the first show I’ve ever done where it’s nothing but invisible effects. It’s a really different calculus because nobody talks about them. And if you’ve done them well, they are invisible to the naked eye.”Eric Leven 1. The Running Man (Episode 201: “Hello, Ms. Cobel”) The season one finale ends on a major cliffhanger. Mark S. learns that his Outie’s wife, Gemma – believed killed in a car crash years ago – is actually alive somewhere inside the Lumon complex. Season two opens with Mark S. arriving at the Severed Floor in a desperate search for Gemma, who he only knows as her Innie persona, Ms. Casey. The fast-paced sequence is designed to look like a single, two-minute shot. It begins with the camera making a series of rapid and elaborate moves around a frantic Mark S. as he steps out of the elevator, into the Severed Floor lobby, and begins running through the hallways. “The nice thing about that sequence was that everyone knew it was going to be difficult and challenging,” Leven says, adding that executive producer and Episode 201 director, Ben Stiller, began by mapping out the hallway run with his team. Leven recommended that a previsualization sequence – provided by The Third Floor – would help the filmmakers refine their plan before cameras rolled. “While prevising it, we didn’t worry about how we would actually photograph anything. It was just, ‘These are the visuals we want to capture,’” Leven says. “‘What does it look like for this guy to run down this hallway for two minutes? We’ll figure out how to shoot it later.’” The previs process helped determine how best to shoot the sequence, and also informed which parts of the soundstage set would have to be digitally replaced. The first shot was captured by a camera mounted on a Bolt X Cinebot motion-control arm provided by The Garage production company. The size of the motion-control setup, however, meant it could not fit in the confined space of an elevator or the existing hallways. “We couldn’t actually shoot in the elevator,” Leven says. “The whole elevator section of the set was removed and was replaced with computer graphics [CG].” In addition to the elevator, ILM artists replaced portions of the floor, furniture, and an entire lobby wall, even adding a reflection of Adam Scott into the elevator doors. As Scott begins running, he’s picked up by a second camera mounted on a more compact, stabilized gimbal that allows the operator to quickly run behind and sometimes in front of the actor as he darts down different hallways. ILM seamlessly combined the first two Mark S. plates in a 2D composite. “Part of that is the magic of the artists at ILM who are doing that blend. But I have to give credit to Adam Scott because he ran the same way in both cameras without really being instructed,” says Leven. “Lucky for us, he led with the same foot. He used the same arm. I remember seeing it on the set, and I did a quick-and-dirty blend right there and thought, ‘Oh my gosh, this is going to work.’ So it was really nice.” The action continues at a frenetic pace, ultimately combining ten different shots to complete the sequence. “We didn’t want the very standard sleight of hand that you’ve seen a lot where you do a wipe across the white hallway,” Leven explains. “We tried to vary that as much as possible because we didn’t want to give away the gag. So, there are times when the camera will wipe across a hallway, and it’s not a computer graphics wipe. We’d hide the wipe somewhere else.” A slightly more complicated illusion comes as the camera sweeps around Mark S. from back to front as he barrels down another long hallway. “There was no way to get the camera to spin around Mark while he is running because there’s physically not enough room for the camera there,” says Leven. To capture the shot, Adam Scott ran on a treadmill placed on a green screen stage as the camera maneuvered around him. At that point, the entire hallway environment is made with computer graphics. Artists even added a few extra frames of the actor to help connect one shot to the next, selling the illusion of a single continuous take. “We painted in a bit of Adam Scott running around the corner. So if you freeze and look through it, you’ll see a bit of his heel. He never completely clears the frame,” Leven points out. Leven says ILM also provided Ben Stiller with options when it came to digitally changing up the look of Lumon’s sterile hallways: sometimes adding extra doors, vents, or even switching door handles. “I think Ben was very excited about having this opportunity,” says Leven. “He had never had a complete, fully computer graphics version of these hallways before. And now he was able to do things that he was never able to do in season one.” (Credit: Apple TV+). 2. Let it Snow (Episode 204: “Woe’s Hollow”) The MDR team – Mark, Helly, Dylan, and Irving – unexpectedly find themselves in the snowy wilderness as part of a two-day Lumon Outdoor Retreat and Team-Building Occurrence, or ORTBO.  Exterior scenes were shot on location at Minnewaska State Park Preserve in New York. Throughout the ORTBO sequence, ILM performed substantial environment enhancements, making trees and landscapes appear far snowier than they were during the shoot. “It’s really nice to get the actors out there in the cold and see their breath,” Leven says. “It just wasn’t snowy during the shoot. Nearly every exterior shot was either replaced or enhanced with snow.” For a shot of Irving standing on a vast frozen lake, for example, virtually every element in the location plate – including an unfrozen lake, mountains, and trees behind actor John Turturro – was swapped out for a CG environment. Wide shots of a steep, rocky wall Irving must scale to reach his co-workers were also completely digital. Eventually, the MDR team discovers a waterfall that marks their arrival at a place called Woe’s Hollow. The location – the state park’s real-life Awosting Falls – also got extensive winter upgrades from ILM, including much more snow covering the ground and trees, an ice-covered pond, and hundreds of icicles clinging to the rocky walls. “To make it fit in the world of Severance, there’s a ton of work that has to happen,” Leven tells ILM.com. (Credit: Apple TV+). 3. Welcome to Lumon (Episode 202: “Goodbye, Mrs. Selvig” & Episode 203: “Who is Alive?”) The historic Bell Labs office complex, now known as Bell Works in Holmdel Township, New Jersey, stands in as the fictional Lumon Industries headquarters building. Exterior shots often underwent a significant digital metamorphosis, with artists transforming areas of green grass into snow-covered terrain, inserting a CG water tower, and rendering hundreds of 1980s-era cars to fill the parking lot. “We’re always adding cars, we’re always adding snow. We’re changing, subtly, the shape and the layout of the design,” says Leven. “We’re seeing new angles that we’ve never seen before. On the roof of Lumon, for example, the air conditioning units are specifically designed and created with computer graphics.” In real life, the complex is surrounded by dozens of houses, requiring the digital erasure of entire neighborhoods. “All of that is taken out,” Leven explains. “CG trees are put in, and new mountains are put in the background.” Episodes 202 and 203 feature several night scenes shot from outside the building looking in. In one sequence, a camera drone flying outside captured a long tracking shot of Helena Eagan (Helly R.’s Outie) making her way down a glass-enclosed walkway. The building’s atrium can be seen behind her, complete with a massive wall sculpture depicting company founder Kier Eagan. “We had to put the Kier sculpture in with the special lighting,” Leven reveals. “The entire atrium was computer graphics.” Artists completed the shot by adding CG reflections of the snowy parking lot to the side of the highly reflective building. “We have to replace what’s in the reflections because the real reflection is a parking lot with no snow or a parking lot with no cars,” explains Leven. “We’re often replacing all kinds of stuff that you wouldn’t think would need to be replaced.” Another nighttime scene shot from outside the building features Helena in a conference room overlooking the Lumon parking lot, which sits empty except for Mr. Milchick (Tramell Tillman) riding in on his motorcycle. “The top story, where she is standing, was practical,” says Leven, noting the shot was also captured using a drone hovering outside the window. “The second story below her was all computer graphics. Everything other than the building is computer graphics. They did shoot a motorcycle on location, getting as much practical reference as possible, but then it had to be digitally replaced after the fact to make it work with the rest of the shot.” (Credit: Apple TV+). 4. Time in Motion (Episode 207: “Chikhai Bardo”) Episode seven reveals that MDR’s progress is being monitored by four dopplegang-ish observers in a control room one floor below, revealed via a complex move that has the camera traveling downward through a mass of data cables. “They built an oversize cable run, and they shot with small probe lenses. Visual effects helped by blending several plates together,” explains Leven. “It was a collaboration between many different departments, which was really nice. Visual effects helped with stuff that just couldn’t be shot for real. For example, when the camera exits the thin holes of the metal grate at the bottom of the floor, that grate is computer graphics.” The sequence continues with a sweeping motion-control time-lapse shot that travels around the control-room observers in a spiral pattern, a feat pulled off with an ingenious mix of technical innovation and old-school sleight of hand. A previs sequence from The Third Floor laid out the camera move, but because the Bolt arm motion-control rig could only travel on a straight track and cover roughly one-quarter of the required distance, The Garage came up with a way to break the shot into multiple passes. The passes would later be stitched together into one seemingly uninterrupted movement. The symmetrical set design – including the four identical workstations – helped complete the illusion, along with a clever solution that kept the four actors in the correct position relative to the camera. “The camera would basically get to the end of the track,” Leven explains. “Then everybody would switch positions 90 degrees. Everyone would get out of their chairs and move. The camera would go back to one, and it would look like one continuous move around in a circle because the room is perfectly symmetrical, and everything in it is perfectly symmetrical. We were able to move the actors, and it looks like the camera was going all the way around the room.” The final motion-control move switches from time-lapse back to real time as the camera passes by a workstation and reveals Mr. Drummond (Ólafur Darri Ólafsson) and Dr. Mauer (Robby Benson) standing behind it. Leven notes that each pass was completed with just one take. 5. Mark vs. Mark (Episode 210: “Cold Harbor”) The Severance season two finale begins with an increasingly tense conversation between Innie Mark and Outie Mark, as the two personas use a handheld video camera to send recorded messages back and forth. Their encounter takes place at night in a Lumon birthing cabin equipped with a severance threshold that allows Mark S. to become Mark Scout each time he steps outside and onto the balcony. The cabin set was built on a soundstage at York Studios in the Bronx, New York. The balcony section consisted of the snowy floor, two chairs, and a railing, all surrounded by a blue screen background. Everything else was up to ILM to create. “It was nice to have Ben’s trust that we could just do it,” Leven remembers. “He said, ‘Hey, you’re just going to make this look great, right?’ We said, ‘Yeah, no problem.’” Artists filled in the scene with CG water, mountains, and moonlight to match the on-set lighting and of course, more snow. As Mark Scout steps onto the balcony, the camera pulls back to a wide shot, revealing the cabin’s full exterior. “They built a part of the exterior of the set. But everything other than the windows, even the railing, was digitally replaced,” Leven says. “It was nice to have Ben [Stiller’s] trust that we could just do it. He said, ‘Hey, you’re just going to make this look great, right?’ We said, ‘Yeah, no problem.’”Eric Leven Bonus: Marching Band Magic (Episode 210: “Cold Harbor”) Finally, our bonus visual effects shot appears roughly halfway through the season finale. To celebrate Mark S. completing the Cold Harbor file, Mr. Milchick orders up a marching band from Lumon’s Choreography and Merriment department. Band members pour into MDR, but Leven says roughly 15 to 20 shots required adding a few more digital duplicates. “They wanted it to look like MDR was filled with band members. And for several of the shots there were holes in there. It just didn’t feel full enough,” he says. In a shot featuring a God’s-eye view of MDR, band members hold dozens of white cards above their heads, forming a giant illustration of a smiling Mark S. with text that reads “100%.” “For the top shot, we had to find a different stage because the MDR ceiling is only about eight feet tall,” recalls Leven. “And Ben really pushed to have it done practically, which I think was the right call because you’ve already got the band members, you’ve made the costumes, you’ve got the instruments. Let’s find a place to shoot it.” To get the high shot, the production team set up on an empty soundstage, placing signature MDR-green carpet on the floor. A simple foam core mock-up of the team’s desks occupied the center of the frame, with the finished CG versions added later. Even without the restraints of the practical MDR walls and ceiling, the camera could only get enough height to capture about 30 band members in the shot. So the scene was digitally expanded, with artists adding more green carpet, CG walls, and about 50 more band members. “We painted in new band members, extracting what we could from the practical plate,” Leven says. “We moved them around; we added more, just to make it look as full as Ben wanted.” Every single white card in the shot, Leven points out, is completely digital. (Credit: Apple TV+). A Mysterious and Important Collaboration With fans now fiercely debating the many twists and turns of Severance season two, Leven is quick to credit ILM’s two main visual effects collaborators: east side effects and Mango FX INC, as well as ILM studios and artists around the globe, including San Francisco, Vancouver, Singapore, Sydney, and Mumbai. Leven also believes Severance ultimately benefited from a successful creative partnership between ILM and Ben Stiller. “This one clicked so well, and it really made a difference on the show,” Leven says. “I think we both had the same sort of visual shorthand in terms of what we wanted things to look like. One of the things I love about working with Ben is that he’s obviously grounded in reality. He wants to shoot as much stuff real as possible, but then sometimes there’s a shot that will either come to him late or he just knows is impractical to shoot. And he knows that ILM can deliver it.” — Clayton Sandell is a Star Wars author and enthusiast, TV storyteller, and a longtime fan of the creative people who keep Industrial Light & Magic and Skywalker Sound on the leading edge of visual effects and sound design. Follow him on Instagram (@claytonsandell) Bluesky (@claytonsandell.com) or X (@Clayton_Sandell).

The Isaiah Dead Sea Scroll is thought to date to around 100 BCZev Radovan/Alamy Some of the Dead Sea Scrolls may be up to a century older than previously thought, potentially revising our understanding of how these ancient texts were produced. This new assessment, based on AI analysis of handwriting and modern radiocarbon dating techniques, even suggests that a few scrolls – like those containing the biblical books Daniel and Ecclesiastes – may be copies made during the lifetimes of the books’ original authors, says Mladen Popović at the University of Groningen in the Netherlands.

Google’s reversal on eliminating third-party cookies in Chrome isn’t exactly breaking news – but cookies remain a less effective way to truly connect with audiences. So, it is the perfect moment to explore how smart marketers are gaining an edge by leaning into first-party data and contextual targeting. In this post, we’ll break down what really happened, what it means for your brand, and how to sharpen your ad strategy to stay competitive in a shifting landscape. So, what happened? Google first announced its plan to phase out third-party cookies in Chrome back in 2020, citing a commitment to enhancing user privacy and creating a more privacy-conscious web. However, the timeline faced multiple delays. Then in May 2023, Google declared it was moving full steam ahead, with plans to begin phasing out cookies in January 2024. Marketers everywhere braced for impact, diving into strategy sessions to prepare for a cookieless future. Step one in Google’s rollout involved disabling third-party cookies for 1% of Chrome users worldwide – around 30 million people – to support real-world testing. The goal: ramp up to 100% deprecation by the end of 2024. But in April 2024, the UK’s Competition and Markets Authority (CMA) stepped in, requesting a pause. With Chrome holding a 64% global market share, the potential impact was massive. Amid mounting concerns over Google’s proposed cookie alternatives and the broader industry readiness, Google reversed its decision after more than four years of planning and delays. Marketers, exhausted from revising their cookieless strategies (version #163, anyone?), finally hit “save” one last time – tucking their plans away, hoping never to need them again. With emotions parked, attention turned back to what really matters: refining audience-engagement strategy, maximizing performance, and staying ahead in a still-evolving digital landscape. Google Flip-Flops – But First-Party Data Remains the Cornerstone of a Resilient Strategy The goal remains – to identify and influence the buying group that matters. So, the real question is: what strategies are helping marketers stretch their budgets further and stay ahead? One powerful solution is first-party data. Let’s keep it simple – first-party data is the information a content publisher gathers directly from its audience as they interact with its platforms. It includes website visitors, social media followers, and existing customers, covering demographics, preferences, on-site behavior, purchase history, and feedback – making it both highly relevant and unique. So, every business with an online presence has their own 1st party data. This data is typically gathered through tracking pixels on websites, social platforms, or products, and stored in a CRM or customer data platform (CDP). But not all first-party data is created equal. To be truly valuable, it must be accurate, relevant, actionable, and privacy-compliant – a level of quality not every provider can guarantee. Gaining customer data and consent is no easy feat, either. With growing awareness and concern around data privacy, PrivacyEngine found that 81% of users believe the risks of sharing data outweigh the potential benefits. Still, customers are willing to share personal information if they perceive a high-value return. When captured and used effectively, first-party data becomes a powerful competitive advantage. Why? Because it gives marketers the kind of insights that drive smarter, more efficient campaigns. Imagine knowing exactly what content topics, formats, and channels resonate with your audience – along with how engaged they’ve been in the last 90 days, and whether they match your ideal region, company size, or role. With that level of clarity, you can execute with confidence, reduce wasted spend, and improve both conversion rates and pipeline impact. In fact, brands leveraging first-party data see a 2.9x increase in revenue and 1.5x cost savings, according to CMSWire – a clear signal of its effectiveness. But it’s not just about performance metrics. Marketers are also rethinking how ads fit into the overall customer experience, ensuring relevance and value at every touchpoint. Right Place, Right Time: The Power of Context in Advertising Meeting Buyers Where They Are – Digitally In a physical store, meeting buyers where they are is simple. But in the digital world – with countless platforms, channels, and formats – it’s far more complex. Each advertising tactic has its strengths, but one continues to stand out: contextual advertising. Unlike data-targeted ads, which rely on previously captured user information, contextual advertising aligns ads to the content of the page that users sought out. It matches your message to the moment – showing cookware ads on a recipe blog, for example – making the ad feel natural, non-intrusive and informative. This alignment pays off. Research shows that consumers are significantly more receptive to ads that match the content they’re engaging in. They’re in the right frame of mind, making the message feel more relevant, trusted, and less promotional. The result? A smoother user experience and stronger brand connection. Performance-wise, the numbers speak volumes: contextual ads are 93% more memorable than mismatched ads (ExchangeWire), and 32% of consumers are more likely to act on contextually aligned ads (Seedtag). In today’s privacy-first world, contextual advertising isn’t just compliant – it’s a smarter, more cost-efficient way to drive engagement, boost recall, and build trust with your audience. Smarter Strategies, Stronger Results Google may have made a major U-turn by reversing its decision to phase out third-party cookies in Chrome – leaving marketers understandably frustrated after years of planning. But those hours spent analyzing alternative strategies haven’t been wasted. In fact, they’ve laid the groundwork for smarter, more resilient approaches. Now is the time to turn that pivot into a positive milestone. Here’s how: 1. Reassess and Refine Campaign Performance Take a fresh look at your existing campaigns. What does success actually look like for your business? Are your current efforts truly delivering, or is there untapped potential? It’s never too late to test new formats, re-evaluate messaging, or shift tactics. Revisit how you’re measuring ROI – are you focused on metrics that matter to your stakeholders, or just surface-level stats? To make advertising a strategic growth driver – not just a “nice to have” – focus on metrics that reflect real impact across the entire funnel. 2. Maximize the Value of First-Party Data First-party data – whether yours or that of a partner – is one of your most powerful assets. Make sure your owned channels – websites, content, and outreach – offer engaging experiences that encourage users to act. This not only improves conversions but strengthens the quality of the data you collect. Work with original content publishers and benefit from their powerful first-party data. This allows you to deliver high-impact campaigns built around buyer intelligence. Work with partners who take data seriously. Ask your ad providers about their approach to first-party data collection and compliance. Look for transparency, consent-first models, and enriched user insights – not just volume. Key questions to ask providers: How is consent managed? What systems are in place to verify data accuracy and relevance? How frequently is data refreshed or validated? 3. Prioritize the Customer Experience Put yourself in your buyer’s shoes. Would your ad stand out against a competitor’s? Is it helpful, relevant, and well-placed – or disruptive and forgettable? One effective strategy is partnering directly with original content publishers. These environments offer accurate topic alignment, trusted editorial standards, and a more natural context for your ads. Deliver what your audience wants – authentic engagement with tangible, decision-making value. When done right, this boosts both engagement and brand perception. The Bottom Line Don’t treat Google’s decision as a reprieve. Now is not the time to sit still. It’s the time to ask smart questions, challenge assumptions, and work with partners who are just as invested in your success. “Audiences are more selective about where they provide their data. So, while third-party cookies remain – for now – advertisers should focus on channels where users willingly share their data in exchange for meaningful content. Going directly to publishers not only places your brand in trusted environments but also unlocks contextually relevant placements that consistently outperform industry benchmarks. Building trust through transparency and relevance is where the real competitive edge lies.” – Jane Qin Medeiros, Head of Informa TechTarget’s Brand and Content Group Learn about TechTarget’s first-party advertising and intent solutions today.

not enough Paris Agreement target won’t protect polar ice sheets, scientists warn Calls for a more ambitious climate goal are rising as Earth hits several tipping points. Bob Berwyn, Inside Climate News – May 21, 2025 11:35 am | 21 A slurry mix of sand and seawater is pumped via barge onto the main public beach during a sand replenishment project along eroding shoreline on November 21, 2024, in San Clemente, California. Credit: Mario Tama / Getty Images A slurry mix of sand and seawater is pumped via barge onto the main public beach during a sand replenishment project along eroding shoreline on November 21, 2024, in San Clemente, California. Credit: Mario Tama / Getty Images Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only   Learn more This article originally appeared on Inside Climate News, a nonprofit, nonpartisan news organization that covers climate, energy, and the environment. Sign up for their newsletter here. Sea levels in some parts of the world could be rising by as much as 8 to 12 inches per decade within the lifetime of today’s youngest generations, outpacing the ability of many coastal communities to adapt, scientists warned in a new study published this week. The research by an international team of sea level and polar ice experts suggests that limiting warming to 2.7° Fahrenheit (1.5° Celsius) above the pre-industrial temperature—the Paris Climate Agreement’s target—isn’t low enough to prevent a worst-case meltdown of Earth’s polar ice sheets. A better target for maintaining a safe climate, at least for the long term, might be closer to 1.8° Fahrenheit, said Durham University geographer and glacier expert Chris Stokes, a co-author of the new paper. “There have been a couple of quite high-profile papers recently, including a synthesis in Nature looking at safe planetary boundaries,” he said. “They made the argument that 1° Celsius is a better goal. And a couple of other papers have come out suggesting that we need a stricter temperature limit or a long-term goal. And I think the evidence is building towards that.” It’s not a new argument, he said, noting that climate research predating the first Intergovernmental Panel on Climate Change report in 1990 already highlighted the high risks of more than 1° C of warming. “Those studies were saying, ‘We’re warming. We really don’t want to go past 1°. We really don’t want to exceed 350 parts per million of carbon dioxide,’” he said. “Because we know what could happen looking at past warm periods and at simple calculations of ice sheet mass balance. And, you know, 30 years later, 40 years later, here we are seeing the problem.” Scientific calls for a more ambitious long-term climate goal are rising just as Earth’s average global temperature has breached the Paris Agreement target of 1.5° C of warming over the pre-industrial level nearly every consecutive month for the past two years. Atmospheric carbon dioxide has reached a concentration of 430 ppm, a 50 percent increase over pre-industrial levels. But missing those goals doesn’t diminish the importance of potentially revising the target, for which the Paris Agreement includes a review mechanism, Stokes said. Even if the global temperature overshoots the 1.5° mark, it’s important to know for the long term how much it would have to be lowered to return to a safe climate range. The new study focused on how melting polar ice masses drives sea level rise by combining evidence from past warm periods that were similar to the present, measurements of how much ice is being lost under the present level of warming, and projections of how much ice would be lost at different warming levels over the next few centuries. Sea level rise of several inches per decade would likely overwhelm adaptation efforts by many coastal communities in the US, said co-author Andrea Dutton, a geoscientist and sea level expert at the University of Wisconsin-Madison. “Coastal communities that are adapting to and preparing for future sea level rise are largely adapting to the amount of sea level rise that has already occurred,” she said. In a best-case scenario, she added, they are preparing for sea level rise at the current rate of a few millimeters per year, while the research suggests that rate will double within decades. The last time atmospheric carbon dioxide was at a concentration similar to now was in the mid-Pliocene warm period, just over 3 million years ago, when average global sea level rose 35 to 70 feet higher than today over the course of thousands of years. But the current rate of warming is far faster than any other time identified in the geological record. How the ice sheets will respond to warming at that speed is not clear, but nearly every new study in the past few decades has shown changes in the Arctic happening faster than expected. The United States’ ability to prepare for sea level rise is also profoundly threatened by the cuts to federal science agencies and staffing, Dutton said. The current cuts to science research, the retraction of funds already promised to communities through the Inflation Reduction Act of 2022, the abandonment of the congressionally mandated National Climate Assessment, and changes to federal rules on air pollution “collectively threaten our ability to project future sea level rise, to prepare our communities, and to mitigate climate change and stem the rate at which sea-level is rising,” she said via email. Many researchers are working closely with coastal communities, but as federal grants continue to get cut, these collaborations will founder, she added. “The ice sheets won’t care what different political parties ‘believe’ about climate change,” she said. “Like it or not, they are simply at the mercy of rising temperatures.” The mass of ice lost from the polar ice sheets has quadrupled since the 1990s, and they are currently losing around 370 billion metric tons of ice per year, said co-author Jonathan Bamber, a physicist at the University of Bristol who focuses on studying how Earth’s frozen regions interact with the rest of the climate system. “We switched on some new technology 30 years ago, and we discovered that the ice sheets are responding with a large amplitude and rather rapidly,” he said. The extent of the changes to the ice sheet are much greater than models had ever suggested they would be, he noted. “That was a bit of a shock for the whole community.” Most of the climate models of the past three decades projected only about half as much melting as has actually been observed during that time, he said. That suggests the “safe operating zone for humanity is about 350 ppm” of atmospheric carbon dioxide, corresponding to about 1° C of warming. “I think we’ve known for a long time that we’re interfering with the climate system in a very dangerous way,” he said. “And one of the points of our paper is to demonstrate that one part of the climate system, the ice sheets, are showing some very disturbing signals right now.” Some of the most vulnerable places are far from any melting ice sheets, including Belize City, home to about 65,000 people, where just 3 feet of sea level rise would swamp 500 square miles of land. In some low-lying tropical regions around the equator, sea level is rising three times as fast as the global average. That’s because the water is expanding as it warms, and as the ice sheets melt, their gravitational pull is reduced, allowing more water to flow away from the poles toward the equator. “At low latitudes, it goes up more than the average,” Bamber said. “It’s bad news for places like Bangladesh, India, Vietnam, and the Nile Delta.” Global policymakers need to be more aware of the effects of a 1.5° C temperature increase, Ambassador Carlos Fuller, long-time climate negotiator for Belize, said of the new study. Belize already moved its capital inland, but its largest city will be inundated at just 1 meter of sea-level rise, he said. “Findings such as these only sharpen the need to remain within the 1.5° Paris Agreement limit, or as close as possible, so we can return to lower temperatures and protect our coastal cities,” Fuller said. While the new study is focused on ice sheets, Durham University’s Stokes notes that recent research shows other parts of the Earth system are already at, or very near, tipping points that are irreversible on a timescale relevant to human civilizations. That includes changes to freshwater systems and ocean acidification. “I think somebody used the analogy that it’s like you’re wandering around in a dark room,” he said. “You know there’s a monster there, but you don’t know when you’re going to encounter it. It’s a little bit like that with these tipping points. We don’t know exactly where they are. We may have even crossed them, and we do know that we will hit them if we keep warming.” Bob Berwyn, Inside Climate News 21 Comments

New Research Nimble-Minded Neanderthals May Have Used These Wooden Spears to Hunt 200,000 Years Ago New research shows that the weapons found in Germany are much younger than previously thought, suggesting they were made by skilled Neanderthal craftspeople The Schöningen spears on display in Germany Julian Stratenschulte / Picture Alliance via Getty Images In the 1990s, archaeologists working near the German town of Schöningen made a remarkable find: a set of well-preserved wooden spears crafted from spruce and pine, along with stone tools and the butchered remains of more than 50 horses. Researchers initially thought the Schöningen spears were around 400,000 years old and later revised that estimate to roughly 300,000 years old. They suspected the spears—which are among the oldest known complete hunting weapons—belonged to an early human ancestor called Homo heidelbergensis. Now, however, they’re revising the timeline once again: According to a new paper published in the journal Science Advances, the spears are around 200,000 years old—much younger than previously thought. The new date suggests the weapons may have belonged to Neanderthals, instead of H. heidelbergensis. This theory makes sense to some researchers because, around the same time, Neanderthals were starting to exhibit more complex behaviors, like making stone tools and deploying sophisticated hunting tactics. During this period, known as the Middle Paleolithic, Neanderthals also began living longer, which suggests that they benefited from these lifestyle and behavior advancements. Based on the horse remains found at the site, it appears that hunters cleverly trapped them near the edge of a prehistoric lake. Researchers think the spears were carefully hand-made by skilled craftspeople. “They offer compelling evidence of sophisticated hunting strategies which would have required better cognitive abilities and the development of more complex communication, planning and social structures,” says lead author Jarod Hutson, an archaeologist at Germany’s Leibniz Zentrum für Archäologie, in a statement. “The updated timeline for Schöningen now aligns it with a growing number of sites which together indicate a significant leap in early human hunting capabilities during this period.” If the spears were created and used by humans’ closest prehistoric relatives, this revelation would add to the growing body of evidence that “Neanderthal brain development and social structure were more advanced than previously believed,” writes Austin Harvey of All That’s Interesting. However, not everyone is confident of the new date—or the theory that the spears belonged to Neanderthals. “For the moment, I find the arguments interesting, but not absolutely convincing,” says Thomas Terberger, an archaeologist at the University of Göttingen in Germany who wasn’t involved with the research, to the Associated Press’ Adithi Ramakrishnan. To determine the new timeline, researchers analyzed fossilized freshwater snail shells found in the same layer of dirt as the spears. They honed in on amino acids that were locked in the shells by tiny “trapdoors” called opercula. Because amino acids break down at predictable rates, researchers could use them to estimate the age of the fossils. This method is known as amino acid geochronology. It’s one of the tools researchers have at their disposal for dating artifacts, along with radiocarbon dating, which measures the amount of radioactive carbon-14 present in organic materials, and luminescence dating, which measures the last time sediments were exposed to sunlight. Even with such techniques, however, precisely estimating the age of artifacts can be challenging. Anything scientists can do to narrow down the timeframe helps make historic sites “more useful for answering archaeological questions about human evolution and cultural development,” says study co-author Kirsty Penkman, a geochemist at the University of York in England, to Science’s Andrew Curry. Get the latest stories in your inbox every weekday.

Air travel is remarkably, astonishingly safe. Every year, commercial US airlines take more than 800 million domestic passengers to their destinations, and in a typical year, zero of them are killed and very few are injured. It’s a track record made possible by a fairly intense commitment to safety. But increasingly over the last few years, we’ve been testing these limits.This story was first featured in the Future Perfect newsletter.Sign up here to explore the big, complicated problems the world faces and the most efficient ways to solve them. Sent twice a week.Right now the example in the headlines is New Jersey’s Newark Liberty International Airport, which had three air traffic controllers on duty when it was supposed to have 14 and which over the last couple of weeks suffered three “communications blackouts” where air traffic controllers couldn’t communicate with approaching planes.But it’s not just Newark. There has been an alarming rise in near-misses, communications blackouts, and other serious problems over the last few years at airports across the country, often a consequence of understaffing and high traffic. The midair collision near Reagan National Airport in Washington earlier this year that killed over 60 people was the deadliest air crash in the US since 2001.Even with the Washington disaster, very few of these incidents, thankfully, get anyone killed. That’s because the US achieves the astonishing safety of our air travel system with defense in depth, which means a bunch of different things have to go wrong for a crash to happen.Planes have on-board systems that should alert them if they’re too near another plane, even if air traffic control is sleeping on the job. There are backup emergency frequencies in case a communications blackout occurs. There are pre-published procedures for what to do in the event of a landing that looks unsafe, so if the pilots find themselves abruptly entirely out of contact with the ground, or coming in for a landing on a runway that they realize too late isn’t clear, they have been trained on precisely how to respond.Pushing our defenses against disaster to the limitsIn the risk analysis world, this is called the “Swiss cheese” model of how to prevent a disaster. Every layer of a system made up of humans — with all our flaws — is going to have some gaps. Air traffic controllers will have a bad day, or be tired, or let something slip their mind. Technological solutions will have limitations and edge cases. Pilots will make mistakes or have a medical emergency or get confused by unusual instructions. So each layer of the defenses against disaster has “holes” in it. But so long as the holes don’t all line up — so long as there isn’t a gap in every single layer at the same time — the defenses hold, and the planes land safely. All of this means that despite the absurd strain on air traffic controllers, flying out of Newark is still almost certainly going to go fine. But to achieve and maintain the exceptionally low accident levels that we’ve taken pride in over the last 20 years, “almost certainly” isn’t good enough. If you want not just 99.9 percent of planes but every single plane, every single year, to land safely, you can’t afford to let one of the layers of our defenses get more and more full of holes. A “near miss” where several layers of defenses fail should be taken incredibly seriously and prompt changes, even if one other layer sufficed to save us.Any event which would have been a mass casualty event if not for the good judgment and quick thinking of the pilots, or if not for good weather, or if not for an activation of the automatic TCAS collision avoidance system, needs to be treated as a major emergency. If we let near-misses become business as usual, then it’s inevitable that some percentage of them will convert into actual mass disasters — as happened in Washington this January, where a helicopter and plane collided in an airspace that was known to have risky amounts of helicopter traffic and a bunch of alarming near-misses.This is, of course, important in its own right, since every single commercial plane crash is a preventable tragedy. But it’s also, I sometimes fear, a symptom of a broader cultural malaise. Plane crashes used to be horrifyingly common. We made them rarer through a comprehensive, aggressive program to add layers of defense against human error, revising our procedures through tragedy after tragedy. And we succeeded.If you read the description of almost any plane crash that occurred in the 1970s, one thing stands out: It could not have happened today. Through mechanical improvements, procedural improvements, training improvements, and backup systems, we’ve built planes that are much, much harder to crash. But then, as frequent deadly plane crashes became a distant cultural memory, we immediately started testing how far we could underresource those systems. We ignored near-misses and staffing shortages; we failed to heed warnings that our systems are in trouble and our procedures need changes. Boeing pushed out a dangerous new plane, hoping that other layers of our collective defenses against crashes would suffice to keep them in the air; in the US, those other layers were sufficient, but in poorer countries, they were not. We’ve lost our fearThe parallels to other areas of modern life stand out. It used to be that half of children were dead before age 5; vaccination changed that, but in the world made safe by vaccination, parents grew skeptical of it. Now kids are dying of measles again. It’s been observed that “what if we hike tariffs?” is an idea that comes around once a century or so, and goes badly enough we’re warned off it for a while. We have to touch the hot stove ourselves to learn that it burns us, it seems: The cultural memory doesn’t last for all that long.This isn’t necessarily a bad thing, by itself. I wouldn’t want to live in a world where caution only ever ratchets up; safety is a trade-off, and it’s reasonable to relax precautions if we still get good results without those precautions. But in some cases — like understaffing air traffic control or not vaccinating against measles — the precaution in question passes any reasonable cost-benefit calculation. Our “lesson” is taught by the deaths of innocent people. And more terrifyingly, it’s not clear we’re even learning from our brush with reality. Were the deaths of children in Texas enough to turn around measles vaccination rates? Did the crash over the Potomac teach us to start paying more attention to near-misses? It’s too early to say, but it doesn’t look good so far — and that is what really scares me.A version of this story originally appeared in the Future Perfect newsletter. 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In Brief Posted: 10:22 AM PDT · May 14, 2025 Image Credits:Thomas Trutschel/Photothek / Getty Images (Image has been modified) SoundCloud backtracks on AI-related terms of use updates SoundCloud says it’s revising its terms after widespread backlash over a clause related to AI model training. Earlier this year, SoundCloud quietly updated its usage policies, adding wording that many users interpreted as legal cover to allow the company to train AI on audio uploaded to its platform. SoundCloud was quick to assert that it wasn’t developing AI by using its users’ content, but the company’s PR statement didn’t allay fears that SoundCloud might do so in the future. On Wednesday, SoundCloud CEO Eliah Seton published an open letter admitting that the wording of the changes to the company’s terms “was too broad and wasn’t clear enough.” The updates were intended to focus on other uses of AI internally at the company, Seton said — including recommendations and tools to help prevent fraud — but missed the mark. SoundCloud has now revised its terms “to make it absolutely clear [that] SoundCloud will not use [user] content to train generative AI models that aim to replicate or synthesize [a] voice, music, or likeness,” said Seton. Topics

Researchers reviewed ocean floor samples collected during the Deep Sea Drilling Project in 1975. Credit: Deposit Photos / Oleg Dorokhin Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. There was a time long ago when the Atlantic Ocean didn’t exist. The general understanding among geologists is that the body of water originated between 83 to 113 million years ago, when South America and Africa split into their two respective continents to form the Equatorial Atlantic Gateway. However, Earth’s marine history appears to require a multimillion-year revision thanks to a recent discovery roughly half a mile beneath the ocean floor. The evidence is explored in a study published in the June edition of the journal Global and Planetary Change. According to geologists at the UK’s Heriot Watt University, gigantic waves of mud and sand sediment about 250 miles off the coast of Guinea-Bissau in West Africa indicate the Atlantic Ocean actually formed around four million years earlier than previous estimates. To understand just how intense all of this movement was, imagine waves that are about half a mile long and over 300 feet high.  “A whole field formed in one particular location to the west of the Guinea Plateau, just at the final ‘pinch-point’ of the separating continents of South America and Africa,” study co-author Uisdean Nicholson explained in a statement. Nicholson and their colleagues initially came across these layers of mud waves after comparing seismic data with core samples collected from wells during the Deep Sea Drilling Project (DSDP) of 1975. Five layers in particular were utilized to recreate the tectonic processes that broke apart the ancient supercontinent of Gondwana during the Mesozoic Era. “One layer was particularly striking: it included vast fields of sediment waves and ‘contourite drifts’—mud mounds that form under strong bottom currents,” said Nicholson. These waves initially formed as dense, salty water poured out from the newly created Equatorial Atlantic Gateway, “like a giant waterfall that formed below the ocean surface,” he added. Just before the geologic event, huge salt deposits formed at the bottom of what is now the South Atlantic. After the gateway opened, the underground mudfall occurred when dense, relatively fresh Central Atlantic water in the north combined with very salty waters in the south. The resulting sedimentary evidence examined by the study’s authors now indicates this opening seems to have started closer to 117 million years ago. “This was a really important time in Earth’s history when the climate went through some major changes,” explained study co-author Débora Duarte. “Up until 117 million years ago, the Earth had been cooling for some time, with huge amounts of carbon being stored in the emerging basins, likely lakes, of the Equatorial Atlantic. But then the climate warmed significantly from 117 to 110 million years ago.” Duarte and Nicholson believe part of that major climatic change  helped from the Atlantic Ocean, as seawater inundated the newly formed basins. “As the gateway gradually opened, this initially reduced the efficiency of carbon burial, which would have had an important warming effect,” said Duarte. “And eventually, a full Atlantic circulation system emerged as the gateway grew deeper and wider, and the climate began a period of long-term cooling during the Late Cretaceous period.” The ramifications go beyond revising Earth’s geological timeline or the gateway’s role in Mesozoic climate change. Better understanding the influence of oceanic evolutionary journeys on ancient climate patterns can help to predict what the future holds for the planet.  “Today’s ocean currents play a key role in regulating global temperatures,” explained Nicholson. “Disruptions, such as those caused by melting ice caps, could have profound consequences.”