News

  1. Health & Medicine

    Singing the blues

    After finding that people with diabetes are slightly more likely to have had an episode of depression in the past 11 years than similar people who have not developed diabetes, some researchers have made the controversial suggestion that depression may cause diabetes.

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  2. Health & Medicine

    Darn that diet, anyway

    Seemingly healthful foods—such as broiled chicken and baked fish—can contain high concentrations of compounds that may damage the cardiovascular system, and eating these foods can raise the concentration of these so-called advanced glycation end products in a person's blood.

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  3. Health & Medicine

    The medicine isn’t going down

    Only about a third of people diagnosed with type II diabetes are taking their medications often enough to keep their blood sugar concentrations under tight control.

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  4. Agriculture

    Carnivorous fish nibble at farming gain

    Fish farming may ease pressure on wild stocks overall, but for certain species, farms mean a net loss of fish.

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  5. From Bone to Brain: Transplanted male bone marrow makes nerve cells in women and girls

    Transplanted bone marrow can form new nerve cells in the brains of people.

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  6. Chemistry

    Unnatural Biochemistry: Bacteria make and use an alien amino acid

    Researchers have constructed an organism that synthesizes and incorporates an extra amino acid into its proteins.

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  7. Smells Like Emotion: Brain splits duties to sniff out feelings

    A study suggests that a brain structure called the amygdala assesses the emotional intensity of both pleasant and unpleasant sensations, thus challenging prior evidence that it primarily coordinates fear responses.

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  8. Animals

    One-Two Poison: Scorpion starts with a cheap shot

    A South African scorpion economizes as it stings, injecting a simple mix first, followed by a venom that's more complicated to produce.

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  9. Health & Medicine

    Too Much of a Good Thing: Excess vitamin A may hike bone-fracture rate

    Dietary studies suggest that people who consume large amounts of vitamin A in foods or multivitamins are more likely to suffer hip fractures than are people who ingest modest amounts.

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  10. Tech

    Fiber Helper: Minuscule controllers may open data floodgates

    A device that fits on the end of optical fibers may make possible the next big boost in Internet speed without new underground cables.

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  11. Astronomy

    In the Beginning: Dark matter builds galaxies, feeds quasars

    Cosmologists say they have found compelling evidence that massive galaxies were already in place when the universe was less than a billion years old.

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  12. Paleontology

    Wings Aplenty: Dinosaur species had feathered hind limbs

    A team of Chinese paleontologists has discovered fossils of a small, feathered dinosaur that they say had four wings.

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