Humans

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We summarize the week's scientific breakthroughs every Thursday.

  1. Humans

    Transport emissions sizable, and rising

    Almost one-sixth of the carbon dioxide produced by human activity since the beginning of the Industrial Revolution resulted from the transport of goods and people—an emissions fraction that's increasing by the year.

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  2. Humans

    Judging Science

    Scientists and legal scholars argue that studies conducted with litigation in mind are not necessarily more biased than research done for other purposes.

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  3. Health & Medicine

    Blind Bet

    Although the chances of success are far from certain, many desperate horse owners are gambling on stem cell therapy for their injured equine friends.

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  4. Health & Medicine

    The State of Our Nutrition

    With the new year, people start thinking about dieting and developing better overall health habits. Want to know which regions of the nation started out the year as the most and least healthy—and by what measures? Turn to new maps prepared by the Agriculture Department and click on the state(s) of interest. Agency scientists have […]

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  5. Humans

    From the January 8, 1938, issue

    Social scientist named AAAS president, rarest of the rare found high in the air, and an unusual joint for a skull.

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  6. Health & Medicine

    Risky DNA: Autism studies yield fresh genetic leads

    Two new studies point to the diverse genetic roots of autism and related developmental disorders, while other evidence questions the claim that mercury-based childhood vaccines have contributed to rising autism rates.

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  7. Humans

    Letters from the January 12, 2008, issue of Science News

    Shades of meaning In “Going Coastal: Sea cave yields ancient signs of modern behavior” (SN: 10/20/07, p. 243), researcher Curtis Marean refers to Stone Age people using a reddish pigment for “body coloring or other symbolic acts.” What reason is there for jumping to this conclusion? As with cave painting and figurines, there seems to […]

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  8. Health & Medicine

    Down syndrome’s anti-tumor effect

    The chromosomal abnormality that causes Down syndrome might protect against some solid tumors.

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  9. Health & Medicine

    Smoking ups risk for type 2 diabetes

    Smoking increases the risk of developing type 2 diabetes by up to 61 percent.

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  10. Archaeology

    La Brea del Sur

    Excavations at tar pits in Venezuela suggest that the fossils found there may rival those of the famed Rancho La Brea tar pits in Southern California.

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  11. Humans

    From the January 1, 1938, issue

    Giant electric machines in the works, a mysterious new subatomic particle, and seeking the age of an isthmus.

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  12. Health & Medicine

    Addiction Alleviator? Hallucinogen’s popularity grows

    The unsanctioned use of an obscure hallucinogen, ibogaine, to treat addiction has exploded recently.

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