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2011 Science News of the Year: Earth
NASA Warming slowdown The planet’s overall temperature has been climbing upward, but that trend stalled during the early 2000s — and now scientists think they can explain why. Several studies suggest that tiny sulfur-rich particles called aerosols, which shield the Earth from the sun’s incoming rays, are to blame. Some of those particles come from […]
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2011 Science News of the Year: Humans
While the Han Chinese (left) don’t show genetic contributions from Denisovans, Australian Aborigines (right) do.BLACKRED/ISTOCKPHOTO; GARY RADLER/ISTOCKPHOTO Asia takes a bow Often overlooked as a geographic player in human evolution, Asia has stepped into the scientific spotlight. New comparisons of ancient and modern DNA indicate that Stone Age humans migrated to Asia in two stages. […]
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2011 Science News of the Year
You can’t make this stuff up. An earthquake and tsunami trigger the worst nuclear accident in decades, contaminating thousands of square kilometers in one of the world’s most densely populated countries. Analyses of a sliver of finger bone reveal that the genes of an extinct human relative survive in many people living today. Single-celled organisms […]
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Jars of Plenty
Ancient Greek trading vessels carried much more than wine.
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Venus Unveiled
Spacecraft finds Earthy features on sister planet.
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New Takes on Historic Quakes
Two centuries on, scientists revisit the magnitudes of New Madrid’s biggest rumbles.
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A Spitting Image of Health
How saliva can help doctors diagnose disease.
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Darwin’s Tongues
Languages, like genes, can tell evolutionary tales.
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Space Eats
Astronaut journey to Mars requires new age nibbles.
