Emmy Noethers theorem about symmetry is still contributing to modern physicsShutterstock/okanakdenizThe following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the universe. You cansign up for Lost in Space-Time here.Chances are, you have never heard of Emmy Noether. But you should have. In an obituary that ran in The New York Times in 1935, Albert Einstein wrote: In the judgment of the most competent living mathematicians, Frulein Noether was the