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‘Lost crops’ could have fed as many as maize

‘Lost crops’ could have fed as many as maize

For thousands of years, goosefoot and knotweed were grown as crops, possibly feeding as many indigenous people of North America as corn. But the domesticated forms of these lost crops became lost over the years, and now a Washington University in St. Louis archaeologist is trying to figure out why — and recreate them.
Green in tooth and claw

Green in tooth and claw

Hard plant foods like seeds and nuts may have made up a larger part of early human ancestors’ diet than currently presumed, according to a new experimental study of modern tooth enamel from anthropologists in Arts & Sciences.