Single mutations in three genes can dramatically increase the ability of E. coli to survive ionizing radiation.
Episode 10: March 2014
Chris Frazee and Margaret McFall-Ngai (CC BY 4.0)
6:13Male flies rub chemicals called TAGs onto female flies during mating to make them less attractive to other males.
12:06The Hawaiian bobtail squid and V. fischeri bacteria are the best of friends.
17:31The receptors that allow insects to smell various chemicals probably evolved around the time they developed the ability to fly.