News

  1. Math

    New largest prime discovered

    Computers have discovered a new largest prime number with a whopping 7,816,230 digits.

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  2. Astronomy

    Puzzling radio blasts

    Astronomers are stumped by powerful radio waves emanating from the center of our galaxy.

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  3. 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.

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  4. 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.

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  5. 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.

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  6. 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.

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  7. 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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  8. 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.

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  9. 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.

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  10. 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.

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  11. Humans

    Death can outdo ABCs of prevention

    Abstinence and monogamy may deserve little, if any, credit for the recent drop in the proportion of Ugandans who are infected with HIV.

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  12. Health & Medicine

    Inner-brain electrode may curb depression

    Deep-brain electrical stimulation has shown promise in treating severe depression.

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