News
- Astronomy
Fleet Finding: Speed of Milky Way’s companions poses puzzle
New measurements of the speed of two familiar companion galaxies to the Milky Way suggest some unfamiliar possibilities.
- Health & Medicine
Folic Acid Dilemma: One vitamin may impair cognition if another is lacking
The nutrient folic acid is generally good for brain health, but research now suggests that too much of it might harm people who get too little vitamin B12.
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Genes discovered for sensing carbon dioxide
Researchers have tracked down a pair of genes that, together, seem responsible for some insects' ability to sense carbon dioxide.
- Humans
Congress upgrades fisheries protection
Congress has reauthorized and strengthened a 30-year-old federal law governing fishing and ocean management.
- Agriculture
Big footprints
Livestock production carries surprisingly high, and largely hidden, environmental costs.
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Stem cells float in amniotic fluid
Scientists have discovered a new type of stem cell in the fluid that bathes fetuses in the womb.
- Health & Medicine
Putting the kibosh on black cohosh
The herbal supplement black cohosh is no more effective than a placebo in reducing the number of daily hot flashes in menopausal women.
- Health & Medicine
Good news for people with clotting disorder
Several experimental drugs show promise against the bleeding disorder known as immune thrombocytopenic purpura.
- Tech
A backpack with a suspension system
A new backpack design that uses elastic cords to minimize the pack's vertical motion could lessen bodily strain on wearers and reduce the effort required to carry a load.
- Earth
Yes, it’s asbestos
Federal mineralogists have corroborated earlier evidence that Sierra-foothills communities around Sacramento, Calif., are built atop soils naturally laced with asbestos.
- Animals
Guys Roll Eyes: Fish show some eyeball to their rivals
During breeding season, male fish roll their eyes to send a quick "Back off, punk" signal to other males, researchers say.
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Message Songs: Wild gibbons warble with a simple syntax
Gibbons, a line of apes in southeastern Asia, rearrange their songs in order to communicate with one another.
