News
- Health & Medicine
Poor glucose metabolism risks clots
Excess concentrations of insulin in the blood may hamper the body's ability to break down blood clots efficiently.
- Animals
Redder is healthier in squawking birds
When barn swallow nestlings open wide for food, their parents may be looking for the healthiest throats.
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Evolution may not be slow or random
Studies of fruit flies taking over the New World and stickleback fish adapting to Canadian lakes suggest that evolution can proceed quickly and take predictable paths.
- Astronomy
Chandra eyes low-temperature black hole
An observatory in space has detected the coolest black hole yet found
- Materials Science
In glass, fast crowds boogie to brittle end
New experiments suggest that a coordinated dance involving more and more molecules may help explain the puzzling transformation from liquid to the molecular gridlock of solid glass.
