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EarthKiller weather on Mount Everest
An analysis of weather patterns around Mount Everest in May 1996, when eight climbers died, suggests that a sudden drop in barometric pressure may have played a significant role in the deaths.
By Sid Perkins -
Health & MedicineBreast milk may lower cholesterol
Feeding a newborn baby breast milk instead of formula during the first month of life improves the child's cholesterol readings later on.
By Nathan Seppa -
AstronomyOddball asteroid
Astronomers have discovered an asteroid that takes only 6 months to go around the sun.
By Ron Cowen -
Materials ScienceNice Threads
Once researchers figure out how to spin strong fibers out of carbon nanotubes, real-world applications such as long-distance power-transmission cables, lightweight aircraft materials, and electronic textiles become feasible.
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19426
Since the hypoxia described in this article isn’t caused directly by the fertilizer, but by the subsequent algae blooms, then perhaps an effective solution is to combat the algae. It might even be profitable to harvest the algae. If the fishing industry is capable of depleting the seas of species that we want there, then […]
By Science News -
EarthDead Waters
Coastal dead zones—underwater regions where oxygen concentrations are too low for fish to survive—are mushrooming globally, threatening to transform entire ecosystems.
By Janet Raloff -
MathPlaying Pig, Optimally
The simple dice game Pig is surprisingly complex when you're trying to find an optimal strategy for playing it.
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HumansFrom the May 26, 1934, issue
Extracting bromine from the sea, a new treatment for cancer, and a novel altimeter.
By Science News -
ChemistryChemical Knot: Scientists assemble legendary symbol by interlocking molecules
Chemists have constructed a molecular version of a Borromean knot.
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PaleontologyCrawling through Time: Fish bones reveal past climate change
The timing of ancient migrations of snakehead fish from the Indian subcontinent into Europe, Asia, and Africa tells scientists about temperature and humidity changes in those locations.
By Carrie Lock -
AnimalsRed Sweat: Hippo skin oozes antibiotic sunscreen
The hippo version of sweat, which is red-orange, contains pigments that can block microbial growth and some ultraviolet light.
By Susan Milius -
19425
The Japanese researchers who dubbed a pachyderm secretion to be “hipposudoric acid” seem to know more about biochemistry than about etymology. The word hippopotamus is a synthesis of Latin hippo (horse) and potamus (river), apparently because of the resemblance of the face of a submerged hippopotamus to the head of a horse. Hipposudoric implies a […]
By Science News