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3 articles from ScienceNOW
Native Americans—and their genes—traveled back to Siberia, new genomes reveal
The remains of three people who died on a riverbank in the Kamchatka Peninsula in northeastern Siberia some 500 years ago have yielded a surprising secret: Their DNA shows they had some North American ancestry, according to a study published today. Considered alongside other ancient and modern genomes, the results suggest that although the ancestors of today’s Native Americans came from...
Some bumble bees may be hyperventilating as the world warms
AUSTIN—
Like most bees, bumble bees are having a tough time. Pesticides,
habitat loss
,
light pollution
, and parasites have
caused steep declines
in their populations
, upward of 75% in the few places researchers have tracked the insects for long periods of time. Now, scientists have identified a new way global...