News
- Earth
More Frog Trouble: Herbicides may emasculate wild males
New studies of male frogs in the wild link trace exposures to common weed killers with partial sex reversal.
- Health & Medicine
A hint at a healthful effect of beer
Beer consumption seems to boost concentrations of vitamin B6 in blood and coincides with lower concentrations of homocysteine, a risk factor for heart disease.
- Health & Medicine
Bats may spread new Malaysian virus
A Nipah virus outbreak in Malaysia may have started when bats spread disease to pigs.
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Invaders can conquer Africanized bees
Bees that can take over even an Africanized-bee colony start by conning their nursemaids into giving them royal treatment.
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Buddy power warms tent caterpillars
Tent caterpillars get more heat and insulation than scientists had expected.
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Family success prompts tit divorces
For the first time, researchers have shown that bird pairs are more likely to divorce after raising young than after losing a nest of offspring.
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Soy, tea, and cancer benefits
Animal studies indicate that enriching diets with soy and tea fights cancer better than adding either alone.
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Are some fats more filling?
Substituting monounsaturated fats for polyunsaturated ones in cooking may hold hunger at bay longer.
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Diabetes drug cures infertility and more
A common diabetes drug helps treat obesity and cure the infertility associated with polycystic ovary disease—even in people without diabetes.
- Health & Medicine
Sweet news about ginseng
When taken before or with meals, ginseng appears to help people with diabetes control the normal rise in blood sugar that accompanies eating.
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Another chromosome down, more to go
Scientists from six countries have completed the sequence of human chromosome 21.
- Physics
Gravity gets measured to greater certainty
Important but imprecisely measured, the gravitational constant, G, is given its most exact experimental value yet, while a pioneering investigation into gravity finds that extra dimensions, if they do exist, occupy spaces of less than a couple tenths of a millimeter.
