Intimate Strangers: Unseen Life on Earth (1999)

Genres - Science & Technology  |   Sub-Genres - Biological Sciences  |   Run Time - 60 min.  |   Countries - United States   |  
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This four-volume series from PBS Home Video explores the millions upon millions of unseen neighbors who share our homes and even our bodies: microbes. Scientists explain why we can't live without microbes even though they often make us sick. As the first life form on Earth the microbe was -- and continues to be -- the basis of the Earth's food chain, in addition to being responsible for the production of the majority of our planet's oxygen. This series examines the accepted scientific notion that all life on Earth depends on these tiny creatures. In Intimate Strangers: Unseen Life on Earth, Vol. 1 -- Tree of Life experts explain why science has had to redraw the Tree of Life, putting microbes at the very base of all the exotic forms that came after it. As scientists unravel our genetic code, we can see the microbial heritage that has been passed down through the ages of human existence.



biology, microbiology