News
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Neural Shape-Up: Brain anticipates object perception
A new brain-scan study indicates that so-called higher visual areas predict the structure of incoming visual information and suppress activity in the visual system's entry area to foster object recognition.
By Bruce Bower -
EarthMore 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.
By Janet Raloff -
Health & MedicineA 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.
By Nathan Seppa -
Health & MedicineBats may spread new Malaysian virus
A Nipah virus outbreak in Malaysia may have started when bats spread disease to pigs.
By Nathan Seppa -
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.
By Susan Milius -
Buddy power warms tent caterpillars
Tent caterpillars get more heat and insulation than scientists had expected.
By Susan Milius -
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.
By Susan Milius -
Soy, tea, and cancer benefits
Animal studies indicate that enriching diets with soy and tea fights cancer better than adding either alone.
By Janet Raloff -
Are some fats more filling?
Substituting monounsaturated fats for polyunsaturated ones in cooking may hold hunger at bay longer.
By Janet Raloff -
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.
By Janet Raloff -
Health & MedicineSweet 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.
By Janet Raloff -
Another chromosome down, more to go
Scientists from six countries have completed the sequence of human chromosome 21.