Uncategorized
- Health & Medicine
Drug protects mouse eggs from radiation
Mice protected by a drug from radiation-induced sterility have normal offspring.
- Health & Medicine
Cheap hypertension drug works best
An old-fashioned pill for preventing high blood pressure and some heart disease appears to work better than new, more expensive drugs.
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It’s a tough job, but native bees can do it
An organic watermelon field in California near remnants of wild land still had enough bees of North American species to pollinate a commercial crop, but habitat-poor farms didn't.
- Planetary Science
Mars reveals more frozen water
Planetary scientists have discovered ice near the edge of Mars' south polar cap.
- Archaeology
Old legend dies hard
People who first entered King Tutankhamen's tomb did not suffer from a legendary curse but instead lived long lives.
- Chemistry
Delivering the Goods
Experimental gene-delivery therapies generally use viruses to shuttle genetic material into cells, but some researchers are devising ways to avoid using the sometimes-risky viruses.
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19206
Your article has a picture of a “deer stone.” On it are engraved designs of reindeer that bear an astonishing resemblance to a tattoo borne by the 2,400-year old mummy discovered in 1993 in central Asia. Was this noticed by the researchers? Michelle BlanchardOlympia, Wash. Absolutely. William Fitzhugh, an expedition leader, says he was struck […]
- Anthropology
Southern Reindeer Folk
Western scientists make their first expeditions to Mongolia's Tsaatan people, herders who preserve the old ways at the southernmost rim of reindeer territory.
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19159
I read your article with great interest. There was a minor emergence of periodical cicadas this year in the area. However, despite what the article says, I don’t believe it was a brood emerging 4 years early. In 1983, 4 years before the last major emergence, there was a similar minor emergence. The 2000 emergence […]
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- Health & Medicine
Silencing a gene slows breast-tumor fighter
The protein encoded by the HOXA5 gene plays a key role in fighting breast cancer, helping to switch on cancer-suppressing genes.
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Hands, not eyes, hold clue to illusion
Psychologists disprove a leading hypothesis for the size-weight illusion—an error that arises when people try to estimate the weights of two bodies of different sizes but the same mass.
