News

  1. Health & Medicine

    Big meals boost heart attack risk

    Unusually heavy meals boost a person's chance of developing a heart attack, at least among those people who already have risk factors for heart disease.

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  2. Health & Medicine

    It’s that time. . .for heart attacks?

    A small study of young women already at high risk of having a heart attack suggests that heart attacks are most frequent when estrogen levels are low, soon after a woman's period begins.

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  3. Health & Medicine

    New role for cholesterol-lowering drugs

    Drugs that lower cholesterol benefit patients who have just had a heart attack or chest pains, regardless of the patient's initial cholesterol levels.

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  4. Health & Medicine

    Does vitamin A aid learning?

    A lack of Vitamin A may cause learning and memory problems, albeit potentially reversible ones.

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  5. Health & Medicine

    Old antibiotic takes on Alzheimer’s

    An antibiotic that binds copper and zinc may prevent brain deposits that cause Alzheimer's disease.

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  6. Health & Medicine

    Pesticide tied to Parkinson’s disease

    Rodents exposed to massive amounts of the pesticide rotenone develop a condition similar to Parkinson's disease.

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  7. Health & Medicine

    New sources and uses for stem cells

    Human skin and scalp tissue may provide a source of neural stem cells.

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  8. Physics

    An electron ruler gauges crystal flaws

    Electrons ricocheting through a crystal now make it possible for scientists to discern shifts in crystal lattices as small as a hundredth of an atom's width.

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  9. Ecosystems

    Fly may be depleting U.S. giant silk moths

    A parasitic fly introduced to fight gypsy moths starting in 1906 may be an overlooked factor in the declines of giant silk moths.

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  10. Health & Medicine

    Vaccine protects monkeys from Ebola virus

    A combination of a DNA vaccine and a vaccine based on a genetically modified common cold virus enables monkeys to resist Ebola virus, the first evidence that an Ebola vaccine works in primates.

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  11. Certain memories may rest on a good sleep

    People who practice a task that demands quick visual processing perform it better on ensuing trials if they are first allowed to get some sleep.

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  12. Planetary Science

    An early cosmic wallop for life on Earth?

    New evidence from lunar meteorites suggests that debris bombarded the moon some 3.9 billion years ago, about the same time that life may have formed on Earth.

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