Episode 45: February 2018

Chapters

1. 0:37

   No mercy for sick ants

   Ants prevent the spread of disease by killing other ants that are infected.
2. 6:25

   Acoustic masterminds

   Tree crickets cut holes into leaves to make baffles that amplify their mating calls.
3. 13:33

   Building a placenta

   Mice that lack a protein called IFNG2 suffer from the symptoms of preeclampsia.
4. 19:18

   The hypervigilant brain

   People with post-traumatic stress disorder pay more attention to surprise.
5. 25:57

   Human Cell Atlas

   Scientists are planning to create a map that contains the molecular fingerprints of every cell in the body.