New Dates for Clovis Sites, North America

    New radiocarbon dates kept the controversy over the peopling of the Americas simmering in 2007. An analysis of dates for the best-documented Clovis sites suggests the culture arose later and was shorter-lived than once thought, a finding that some say deals a blow to the "Clovis first" theories that maintain the big-game-hunting people were the first immigrants to the New World.

Early Squash Seeds, Peru

    New research favors the idea that agriculture began in the New World shortly after it first appeared in the Old World. Tom Dillehay of Vanderbilt University has the squash seeds to prove it.

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