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 chacma baboon is generally dark brown to gray in color, with a patch of rough hair on the nape of its neck. Unlike the males of northern baboon species (the Guinea, hamadryas, and olive baboons), chacma males do not have a mane. Perhaps the most distinctive feature of this baboon is its long, downward-sloping face.