Uncategorized

  1. Astronomy

    Comet Sampler: Specimens show that inner and outer solar system mixed

    Just as the solar system was forming some 4.6 billion years ago, some of the hottest material, residing so close to the sun that it was almost vaporized, sped out to the chilliest reaches of deep space, where it became incorporated into comets.

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  2. Health & Medicine

    Express delivery for cancer drugs

    A new drug-delivery method has dramatically reduced tumors in experiments conducted with mice.

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  3. Stem cells from bone marrow make new fat

    Some body fat comes from stem cells that migrate out of bone marrow.

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  4. Chemistry

    Happy fish?

    Researchers have detected antidepressant drugs in the brains of fish captured downstream of sewage-treatment plants.

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  5. Anthropology

    Neandertals’ tough Stone Age lives

    Neandertals that 43,000 years ago inhabited what's now northern Spain faced periodic food shortages and possibly resorted to cannibalism to survive.

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  6. Anthropology

    South African find gets younger

    The partial skeleton of a human ancestor previously found in South Africa dates to about 2.2 million years ago, roughly 1 million years younger than the original estimates.

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  7. Earth

    Pesticides mimic estrogen in shellfish

    Two common water pollutants can function in shellfish as estrogen does, but they have different behavioral effects on two species.

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  8. Astronomy

    The magnetic link between star and planet

    Astronomers have for the first time directly measured the magnetic field of a star known to host a giant planet.

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  9. Tech

    A nano–cheese slicer

    Stringing a carbon nanotube between two needles yields a nanoscale cheese knife that could improve slicing of biological samples.

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  10. Health & Medicine

    Salad Doubts

    Researchers are looking into new ways to sanitize harvested produce and prevent foodborne pathogens from infecting people.

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  11. 19770

    The paucity of comments received by Nature in its Web experiment confirms the obvious: Few scientists can afford the time for peer reviews. Journal editors get paid for their work, so why not compensate outside reviewers? Furthermore, as professional rivalry is a genuine concern, why not eliminate the potential for bias by shielding the names […]

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  12. Humans

    Peer Review under the Microscope

    The traditional method for communicating results of scientific research could get its biggest facelift in hundreds of years.

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