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, the largest of the living primates, is a ground-dwelling herbivore that inhabits the forests of Africa. Gorillas are divided into two species and (under debate as of 2006) either four or five subspecies.With 92-98% of its DNA being identical to that of a human, it is the next closest living relative to humans after the two chimpanzee species. Gentle Giants: Gorillas are usually a very gentle animal.They are rather calm animals except when they think they are in danger.orillas have been taught sign language! Gorillas are closely related to humans and are considered highly intelligent. A few individuals in captivity, such as Koko, have been taught a subset of sign language.