News
- Physics
Light can generate lift
Researchers create a lightfoil that can push small objects perpendicularly.
- Earth
Icequake swarms portend some avalanches
By keeping an ear to the ice, scientists can predict impending glacial crack-ups two weeks in advance.
- Life
Just warm enough
Mammals may have evolved a characteristic body temperature to avoid fungal infections without burning too hot.
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- Space
Newfound planet stirs old debate
The discoverers of a fourth body orbiting a nearby star say its origins pose a challenge to existing theory, but some disagree.
