News
- 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.
- Animals
Female owls: First to advertise good genes
Swiss researchers find the first case of a female flashing ornaments that advertise her gene quality to choosy males.
- Health & Medicine
New gene-therapy techniques show potential
Two technologies for transferring genes, one that uses mobile DNA called transposons and another that uses a weak virus, have proved successful in overcoming genetic disorders in mice.
