News
- Humans
New ancestor grasped at walking
By 3.4 million years ago, two human relatives built differently for upright movement inhabited East Africa.
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- Life
Fossils show signs of earliest burrowing
Worms’ seafloor tunneling more than a half-billion years ago could have stirred up evolutionary forces.
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- Life
The farther the better for corals after oil spill
Deepwater organisms may be slow to recover from Gulf accident.
- Chemistry
Protons on the move find novel molecular route
Hydrogen bonds aren’t the only means of proton travel to another molecule, a study finds.
- Health & Medicine
Fatty diet leads to fat-loving brain cells
A study in mice links a high-fat diet to changes in the brain that might encourage weight gain.
- Life
Gene might help sponges see
Scientists provide a glimpse at how multicellular organisms handle light.
- Space
Vesta seems more planet than asteroid
Spacecraft explorations reveal a layered, beat-up celestial body.
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- Space
Smallest planet yields big surprises
Spacecraft images reveal Mercury has a complicated inside and an active geologic past.
