News
- Health & Medicine
Tungsten-alloy shrapnel might cause cancer
Wounds caused by shrapnel comprising tungsten alloyed with nickel and cobalt cause cancer in rats, raising questions about the wisdom of using tungsten in munitions.
- Animals
Picky-eater termites choose good vibes
Good vibrations may have a lot to do with which pieces of wood a termite attacks.
- Math
New largest prime discovered
Computers have discovered a new largest prime number with a whopping 7,816,230 digits.
- Astronomy
Puzzling radio blasts
Astronomers are stumped by powerful radio waves emanating from the center of our galaxy.
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Bacterial Nanny: Beewolf grows microbe for protecting young
A European wasp leaves a smear of bacteria near each of her eggs as protection against the perils of youth.
- Materials Science
Slick Surfaces: Pressure builds to make better motor oils
Motor oil's protection against the wear and tear of steel engine parts takes effect only at high pressures.
- Health & Medicine
Anoint Them with Oil: Cheap-and-easy treatment cuts infection rates in premature infants
Massaging premature babies with sunflower-seed oil can cut bloodborne infection rates.
- Astronomy
Weighing In on a Star: A stellar size limit
A new study suggests that no star in our galaxy can weigh more than 150 times the mass of the sun.
- Planetary Science
Slowpoke: Atmosphere put brakes on meteorite that formed famed crater
The extraterrestrial object that gouged out Arizona's Meteor Crater about 50,000 years ago struck at a speed much slower than most scientists had previously proposed.
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Monkey See, Monkey Think: Grape thefts instigate debate on primate’s mind
Rhesus monkeys treat a competitor's averted eyes as a license to steal his or her food.
- Health & Medicine
Blindness Hazard: Gene variant tied to macular degeneration
People who make a particular form of an immune system protein have a heightened risk of developing old-age blindness.
- Health & Medicine
Injections cut need for HIV drugs
An experimental vaccine, when given to people infected with HIV, appears to reduce their dependence on antiviral drugs.
