BACTERIALAND

Bacteria—extraterrestrial life forms, ancestors to humans, star performers in the extreme sport of survival, future saviors of humanity? Eerie monster-movie music humorously backs serious science as this entertaining introduction to the marvels of bactera discusses the origin of bacteria, their roles in Earth’s history and in the human body, survival mechanisms of bacterial extremophiles, and possible future human uses in medicines, pesticides, plastics, and solvents. Grades 6 and up. Closed captioned. Color. 52 minutes. National Geographic. ©2005.

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