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.
âUnlike elephants and bushpigs, hippos are not quick to apply any initiative.â âTsavo West is filled with crocodiles, vervet monkeys, antelope, baboons, giraffes and hippos.â âThe hippos snorted, the rhinos dozed and the giraffes nervously darted about as the hammer fell yesterday at Africa's largest wild animal auction.â âA guard with a motorcycle and a shotgun could move through fields at night and work with farmers to scare elephants and hippos.â