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A Brain for All Seasons : Human Evolution and Abrupt Climate Change
A Brain for All Seasons Human Evolution and Abrupt Climate Change Author:William H. Calvin Winner of the 2002 Phi Beta Kappa Award in Science — Mankind has recently come to the shocking realization that our ancestors survived hundreds of abrupt and severe changes to Earth's climate. In this unique travelogue, William H. Calvin takes us around the globe and back in time, showing us how such cycles of cool, crash, and burn provided the i... more »mpetus for enormous increases in the intelligence and complexity of human beings--and warning us of human activities that could trigger similarly massive shifts in the planet's climate.« less