Older & Wiser
Fossil records show that societies do better if there areold folks around, and scientists think they know why.
Will Knight writes in New Scientist that seniors played animportant role in the spread of human civilization 30,000years ago, according to a new study of the human fossilrecord. Researchers Rachel Caspari and Sang-Hee Lee studieddental fossils belonging to early humans and pre-humanspecies dating back 3 million years, in order to judge theirages. In those days, you were “old” at age 30. There wereseveral kinds of pre-humans but only one of them lastedlonger enough to become the ancestors of modern man. Thedifference may have been the number of seniors.
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