Life
We summarize the week's scientific breakthroughs every Thursday.
- Life
Fleas leap from feet, not knees
After years of scratching their heads over the question of exactly how the impressive jumpers launch themselves, scientists find an answer.
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- Life
Small part of brain itching for a fight
A cluster of cells compels aggressive behavior in mice.
- Life
Buried microbes coax energy from rock
In experiments, microorganisms can stimulate minerals to produce hydrogen, a key fuel for growth in a thriving subterranean world.
- Humans
Adaptive no more
A potential benefit in prehistoric lean times, genetic variant may increase risk of gestational diabetes today.
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- Life
Running a cancer roadblock
A new study shows how cells escaping from a breast tumor overcome a piece of RNA that usually stops them.
- Physics
X-raying life’s microscopic machinery
A powerful new laser technique promises to reveal the cell’s molecular components in detailed, 3-D images.
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- Life
Ants manage incest without inbreeding
An unorthodox family structure may have helped longhorn crazy ants spread around the globe.
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- Life
Aerobic exercise boosts memory
Regular walking improved seniors' recall and reversed declines in the size of a brain structure important for remembering.
