All Stories

  1. Health & Medicine

    Before the Booze: Cactus extract dulls hangovers

    An inflammation-fighting plant extract, taken hours before consuming alcohol, appears to suppress some of the symptoms brought on by a bout of heavy drinking.

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  2. Astronomy

    Powerhouse Astronomy: Blazing black hole from the early universe

    A jet of matter and radiation emanating from a newly discovered black hole could provide a new probe of the first stars and the radiation left over from the Big Bang.

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  3. Tech

    Sweet Frequency: Implantable glucose sensor transmits data wirelessly

    Modeled after antitheft magnetic strips, a new implantable glucose sensor for diabetes patients could do away with daily pinprick tests.

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  4. Health & Medicine

    SARS Control: First nasal vaccine effective in monkeys

    An experimental SARS vaccine, tested in monkeys, can be administered directly to the respiratory tract and requires only a single dose to confer immunity.

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  5. Earth

    Sky Lights

    Devoted to atmospheric optics, this Web site offers beautifully illustrated explanations of spectacular phenomena ranging from rainbows to ice haloes. Created by physicist Les Cowley, it features amazing images, along with explanations of how the imaged effects were created by nature. The ice halo section offers downloadable software for simulating various types of halos. Go […]

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  6. 19436

    I don’t think anyone should be surprised that squirrels have figured out how to say “nyah, nyah” to rattlesnakes. After all, it’s what they’ve been saying to cats, dogs, and bird-feeder owning humans for years. R. Kelly WagnerAustin, Texas

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  7. Animals

    Ultrasound alarms by ground squirrels

    Richardson's ground squirrels may occasionally use ultrasound when calling out in response to a disturbance.

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  8. Animals

    Why does a buddy help another male flirt?

    The sidekick male in the two-bird courtship display of lance-tailed manakins has to leave when the mating starts but may reap delayed benefits in real estate and performance practice.

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  9. Animals

    Farmer ant species may have lost all its males

    A fungus-growing ant may be the first ant species known to have no power of sexual reproduction.

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  10. Animals

    Jumping spiders buzz, thump when dancing

    Some jumping spiders, long considered visually oriented animals, turn out to utilize seismic communication for a successful courtship.

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  11. Two-handed protein may protect DNA

    An unusually shaped protein may help a bacterium thrive in tough times.

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  12. Health & Medicine

    Celiac disease affects kids’ minds

    Attention deficits and learning disabilities have joined the list of neurological problems associated with the intestinal disorder known as celiac disease.

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