Humans

  1. Health & Medicine

    Cluster Bombs: Metabolic syndrome tied to heart disease deaths

    Men with a certain cluster of metabolic characteristics are about three times as likely to die of heart disease as men without the traits are.

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  2. Health & Medicine

    Jarring Result: Extreme biking can hurt men’s fertility

    Men who maintain grueling mountain-bicycling programs are apt to have lower sperm counts than nonbikers are.

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  3. Anthropology

    Script Delivery: New World writing takes disputed turn

    Researchers announced, to considerable controversy, that inscriptions found on artifacts at an Olmec site in southeastern Mexico represented the earliest known writing system in the Americas.

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  4. Health & Medicine

    Keeping the beat

    Muscle cells taken from embryonic rats and put into an adult rat's heart can transmit the electric signals that govern the heartbeat.

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  5. Health & Medicine

    Enzyme Shortage May Lead to Lupus

    Without the enzyme DNase I, mice are vulnerable to symptoms of lupus, a debilitating autoimmune disease.

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  6. Health & Medicine

    Cycling and surgery have similar effect

    Among people with chest pain because of clogged heart arteries, regular exercise on a stationary bike reduced symptoms better than surgery did.

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  7. Health & Medicine

    A hot new therapy?

    Spending time in a sauna improves heart function in people with chronic heart failure.

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  8. Health & Medicine

    Protein may signal heart problems

    A protein already linked to inflammation is also a strong predictor of heart problems.

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  9. Humans

    From the December 3, 1932, issue

    “QUICKER’N A WINK” Quick as a wink is a great deal too slow. This proverbial epitome of speed is beaten a dozen times over by the newest trick in scientific high-speed photography, which can take 13 “frames” of motion pictures of a human eye during the fortieth of a second it spends in getting shut. […]

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  10. Humans

    From the June 7, 1930, issue

    COMET MAY CAUSE METEORIC DISPLAY If you watch the sky during the nights of early June, you may be treated to an unusual display of meteors, or “shooting stars.” For comet 1930d, as the astronomers call the new visitor to the heavens discovered by the Germans Schwassmann and Wachmann, is expected to cause a meteoric […]

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  11. Health & Medicine

    Food Forays

    Ever wonder what the Vikings ate on their lengthy voyages to new lands? What pioneers cooked on their treks along the Oregon Trail? Who invented the potato chip? The fascinating answers to these and many other food-related questions can be found at the Food Timeline, a collection of links to related Web pages, compiled by […]

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  12. Health & Medicine

    Diets to Ward Off Diabetes

    Some 16 million people in the United States have type 2 diabetes, which used to be called the disorder’s “adult onset” form. In fact, its incidence has been skyrocketing, climbing by nearly 50 percent over the past decade alone. Even children are now developing type 2 diabetes, which is characterized by the body’s resistance to […]

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