News
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ArchaeologyAncient Andean Maize Makers: Finds push back farming, trade in highland Peru
Fossilized plant remains recovered from a nearly 4,000-year-old house in the Andes Mountains of southern Peru show that highland inhabitants cultivated maize and imported other plant foods from lowland forests at around the time that large societies developed in the region.
By Bruce Bower -
AnimalsCannibal Power: Mormon crickets swarm to eat and not be eaten
What keeps the great swarms of Mormon crickets rolling across the landscape may be a combination of nutritional deficits and the risk of getting cannibalized.
By Susan Milius -
Health & MedicineDo Over: New MS drug may be safe after all
The experimental drug natalizumab, which limits relapses in patients with multiple sclerosis, may get a second chance after being withdrawn from use in 2005.