1.) the absorption of extreme energy sources (UV light, radiation) 2.) endogenous reactions when oxygen is reduced to water created by systems involved in electron and oxygen transport (redox reactions) 3.) enzymatic metabolism of exogenous chemicals or drugs.
Back to Episode. John Horgan examines how Americans seem to have a completely different attitude toward war than we did thirty years ago. Strangely, everyone seems to know the answer. Robert Sapolsky brings us farther afield - to eastern Africa, where a population of baboons defies his expectations of violent behavior.
1 All of them live in Africa or Arabia. 2  Baboons are some of the world's largest monkeys, and males of different species average from 33 to 82 pounds (15 to 37 kilograms). 3  Baboon bodies are 20 to 40 inches (60 to 102 centimeters) long, not including substantial tails of varying lengths. The two most common baboons live in East Africa, the olive baboon and the yellow baboon. 2  Considered Old World monkeys due to their nose shape and lack of tails, these animals live in large, multi-male troops.