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Article: Think fat. (link between nutrition and evolution)
- Article from:
- The Economist (US)
- Article date:
- November 4, 1989
CopyrightCOPYRIGHT 1989 Economist Newspaper Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Think fat
IF MAN is what he eats, did what he one ate determine what he has become? There are plenty of examples to show that nutrition and evolution are linked. For two billion years the earth was colonised by algae-like creatures that excreted oxygen and evolved little. Only once there was enough oxygen could amoeba-like creatures appear, and evolution proceed apace. Over 100m years ago some land animals took to the air. They probably had a diet rich in flying insects, which are low in minerals. Deprived of calcium, their skeletal weight fell to a point where they became light enough to fly.
Dr Michael Crawford, at the Institute of Zoology in ...
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