Ideas Books | 5 May 2016 0h 28m | Listen Later  | iTunes
Interview with biologist Sean B Carroll about his book, The Serengeti Rules. Covers how wolves can change the physical shape of rivers and why, on the plains of the Serengeti, 150 kg is the number that determines whether you’re likely to be eaten or not. Explains how nature produces the right numbers of zebras and lions on the African savanna and the processes for regulation that apply at all scales in biology.