Episode 8: January 2014

Chapters

1. 0:41

   Lost at sea

   Over half of all shark and ray species are "€œthreatened or near threatened"€ according to new estimates.
2. 6:15

   Why rats don't rat on other rats

   A rat will help another rat if it is familiar with that type of rat, even if it has not met the actual rat before.
3. 11:39

   Complex problem solved

   Researchers have worked out the structure of a protein complex that is involved in the destruction of T helper cells by HIV.
4. 16:54

   Into the maize

   The pathogen that causes corn smut in maize employs a sophisticated strategy to increase its virulence.
5. 22:21

   Evolution at work in ants

   The body shapes of queen ants and worker ants have evolved in different ways to reflect their different roles.