Episode 2: July 2013

Chapters

1. 0:44

   Plants performing arithmetic division

   Plants use chemical reactions to calculate the rate at which they can use up their stores of starch during the night and still have some left at sunrise.
2. 6:58

   The evolutionary dynamics of cancer

   A mathematical model predicts that cancer drugs given in combination are more effective than the same drugs given in sequence.
3. 14:50

   Why blood vessels don't grow in the retina

   Researchers have identified a receptor protein that prevents blood vessels forming in the outer retina – €”a process that can lead to blindness.
4. 22:22

   Measuring individual molecules

   Single-molecule measurements in living cells reveal that a single foreign peptide is able to activate a single T cell.
5. 27:52

   And there's more

   eLife features editor Peter Rodgers discusses recent articles on science policy, a sensor for measuring ammonium and the evolution of gene regulation in yeast.