Episode 10: March 2014

Chapters

1. 0:41

   Vive la résistance

   Single mutations in three genes can dramatically increase the ability of E. coli to survive ionizing radiation.
2. 6:13

   Buzz off

   Male flies rub chemicals called TAGs onto female flies during mating to make them less attractive to other males.
3. 12:06

   A twist in the tail

   The Hawaiian bobtail squid and V. fischeri bacteria are the best of friends.
4. 17:31

   Up in the air

   The receptors that allow insects to smell various chemicals probably evolved around the time they developed the ability to fly.