News
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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.
- Animals
Redder is healthier in squawking birds
When barn swallow nestlings open wide for food, their parents may be looking for the healthiest throats.
- 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.
- Health & Medicine
Firm nears completion of human genome
Celera Genomics announced that it has sequenced 90 percent of the human genome and claimed it has found about 97 percent of all human genes.
- Health & Medicine
Impotence high after prostate removal
Roughly 60 percent of men who have a cancerous prostate gland removed are subsequently impotent.
- Math
Trailing after double bubbles
A proof of the double-bubble conjecture for the case in which the two bubbles' volumes are unequal appears within reach.
- Math
Unveiling the work of Archimedes
An ancient manuscript long hidden from public view may provide significant insights into the way Archimedes did his mathematical work more than 2,000 years ago.
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Popular Boys Show Their Tough Side
Some highly aggressive boys may become popular figures in their elementary school classes and wield much influence over classroom discipline.
- Health & Medicine
Oxygen limits infections from surgery
Giving patients extra oxygen during and shortly after colorectal surgery halves the incidence of infection.
- Earth
As globe warms, atmosphere keeps its cool
Scientists confirm a confusing discrepancy between temperatures at Earth's surface and in its atmosphere.
- Astronomy
Hubble Space Telescope: Eye wide open
Two months after the failure of a fourth gyroscope shut it down, and 3 weeks after a shuttle crew paid it a service call, the Hubble Space Telescope is back in business.
- Animals
Butterfly ears suggest a bat influence
Researchers have found the first bat-detecting ear in a butterfly and suggest that the threat of bats triggered the evolution of some moths into butterflies.
