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.
The gorilla, chimpanzee, bonobo, and orangutan are called great apes in recognition of their comparatively large size and humanlike features; the gibbons are called lesser apes. The great apes are much more intelligent than monkeys and gibbons.