Chemists just broke a 100-year-old rule and say it's time to rewrite the textbooks

UCLA chemists have found a big problem with a fundamental rule of organic chemistry that has been around for 100 years—it's just not true. And they say, It's time to rewrite the textbooks.

source https://phys.org/news/2024-10-chemists-broke-year-rewrite-textbooks.html

Study shows bats have acoustic cognitive maps

Echolocating bats have been found to possess an acoustic cognitive map of their home range, enabling them to navigate over kilometer-scale distances using echolocation alone.

source https://phys.org/news/2024-10-echolocating-acoustic-cognitive.html