Vol. 182 No. #4 Archives

More Stories from the August 25, 2012 issue

  1. Physics

    How to walk on water

    Physicists use X-rays to probe how a fluid can support a person's weight.

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  2. Life

    Study shows where identical twins part ways

    By birth, genetic doubles are already using their DNA differently.

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  3. Humans

    Mideast violence goes way back

    One-quarter of skulls excavated in troubled region display injuries from clubs or other weapons.

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  4. Health & Medicine

    Sperm analyzed, one by one

    A close look at the sex cell’s DNA reveals basic molecular processes.

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  5. Math

    Test decodes dolphins’ math skills

    Dolphins could use mental math to locate prey in clouds of bubbles.

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  6. Life

    Little animals spread sperm for smelly mosses

    Sex-specific odors may entice springtails to kick off fertilization.

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  7. Life

    Fake jellyfish so real it even swims

    Constructed of silicone and heart cells, medusoid moves like the real thing.

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  8. Life

    Polar bears’ ancient roots pushed way back

    Full genetic blueprints suggest the animals split from brown bears millions of years ago.

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  9. Earth

    Night lights may foster depression

    In animals, chronic dim light triggers brain changes that disappear with the return of nightlong darkness.

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  10. Humans

    Altruistic kidney donors help many

    Mass exchanges result in more kidneys for difficult-to-match recipients.

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  11. Earth

    External ills imperil tropical reserves

    Impacts just outside park boundaries cause ecosystems within to decline.

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  12. Earth

    Stronger storms may destroy ozone

    Extra water vapor churned high into the atmosphere by climate change–fueled tempests could trigger destructive chemical reactions.

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  13. Health & Medicine

    Male circumcision tied to lower HIV prevalence

    Clinical programs in eastern and southern Africa also seem to be changing people’s views on the operation.

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  14. Health & Medicine

    19th International AIDS Conference

    Highlights from the AIDS meeting, July 22-27, Washington, D.C.

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  15. Anthropology

    Sticks, stones and bones reveal emergence of a hunter-gatherer culture

    A cave in southern Africa was occupied by people very much like those living in the region today.

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  16. Earth

    Greenland enters melt mode

    This year’s record-breaking island-wide thaw punctuates an ongoing warming trend.

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  17. Planetary Science

    Wheels down, Mars rover takes in the view

    After a safe landing, NASA’s Curiosity begins transmitting images back to Earth.

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  18. Saving primates with a dog and scat

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  19. Science Future for August 25, 2012

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  20. SN Online

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  21. Health & Medicine

    No Time to Lose: A Life in Pursuit of Deadly Viruses

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  22. Rainy Brain, Sunny Brain: How to Retrain Your Brain to Overcome Pessimism and Achieve a More Positive Outlook by Elaine Fox

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  23. Gifts of the Crow: How Perception, Emotion, and Thought Allow Smart Birds to Behave Like Humans by John Marzluff and Tony Angell

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  24. Gravity: How the Weakest Force in the Universe Shaped Our Lives by Brian Clegg

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  25. Is American Science in Decline? By Yu Xie and Alexandra A. Killewald

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  26. 101 American Geo-Sites You’ve Gotta See (Geology Underfoot) by Albert B. Dickas

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  27. Health & Medicine

    19th International AIDS Conference

    Highlights from the AIDS meeting, July 22-27, Washington, D.C.

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  28. Himalaya Rush

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  29. Tangled Roots

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  30. Uncommon Carriers

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  31. Letters

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  32. Science Past from the issue of August 25, 1962

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  33. BOOK REVIEW: The Marvelous Learning Animal: What Makes Human Nature Unique

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