Uncategorized
- Animals
Butterfly’s clock linked to compass
The most detailed look yet at the monarch butterfly's daily rhythm keeper suggests it's closer to ancient forms than to the fruit fly's or mouse's inner clock.
- Humans
Letters from the January 19, 2008, issue of Science News
Evening the score When Ai, mother of the chimp Amuyu, whose mental feats you reported in “Chimp Champ: Ape aces memory test, outscores people” (SN: 12/8/07, p. 355), appeared in a television documentary a few years ago, I reproduced for myself the number-sequence test she performed and found that, after practice, I could easily outperform […]
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- Health & Medicine
Night lights may foster cancer
Regularly working through the night appears to come at a steep cost—a heightened risk of cancer.
- Humans
Transport emissions sizable, and rising
Almost one-sixth of the carbon dioxide produced by human activity since the beginning of the Industrial Revolution resulted from the transport of goods and people—an emissions fraction that's increasing by the year.
- Humans
Judging Science
Scientists and legal scholars argue that studies conducted with litigation in mind are not necessarily more biased than research done for other purposes.
- Health & Medicine
Blind Bet
Although the chances of success are far from certain, many desperate horse owners are gambling on stem cell therapy for their injured equine friends.
- Health & Medicine
The State of Our Nutrition
With the new year, people start thinking about dieting and developing better overall health habits. Want to know which regions of the nation started out the year as the most and least healthy—and by what measures? Turn to new maps prepared by the Agriculture Department and click on the state(s) of interest. Agency scientists have […]
- Humans
From the January 8, 1938, issue
Social scientist named AAAS president, rarest of the rare found high in the air, and an unusual joint for a skull.
- Physics
Bathtub Optics: Bending light also shifts it sideways
When light bends at an interface, it also shifts depending on its polarization. With animation.
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Positive Signal: Lone protons carry messages between cells
In roundworms, protons carry signals from cells in the intestine to muscle cells, raising the possibility that protons might act as neurotransmitters in mammal brains.
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Seeing Again: Blind fish parents have fry that see
Cross two strains of blind cavefish that have lived in the dark for a million years, and some of their offspring will be able to see.
