News
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Hot Cereal: Rice reveals bumper crop of genes
Two research groups have identified all the genes in rice, the world's most important crop.
- Archaeology
New World hunters get a reprieve
New radiocarbon evidence indicates that, beginning around 11,000 years ago, human hunters contributed to North American mammal extinctions that had already been triggered by pronounced climate shifts.
- Archaeology
Stone Age Siberians move up in time
Siberian sites previously thought to have been bases for early human excursions into North America may only date to about 11,300 years ago, when people have traditionally been assumed to have first reached Alaska.
- Earth
Satellites discover new Arctic islands
Danish researchers analyzing satellite observations of remote Tobias Island, discovered in 1993 off the northeastern coast of Greenland, have stumbled upon a new group of small islands nearby.
