Vol. 178 No. #9
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More Stories from the October 23, 2010 issue

  1. Tech

    To tame traffic, go with the flow

    Lights should respond to cars, a study concludes, not the other way around.

  2. Tech

    A compass that lights the way

    Researchers develop a highly sensitive optical instrument for measuring magnetic fields.

  3. Planetary Science

    Life’s cold start

    Primordial molecules could have replicated themselves in a slushy place, new experiments suggest.

  4. Humans

    Clues to child sacrifices found in Inca building

    Children killed in elaborate rituals were drawn from all over the South American empire, new research suggests.

  5. Life

    X-rays in 3-D show nanosized details

    A new X-ray microscope technique peers inside materials to reveal their inner nature.

  6. Tech

    Everything really is relative

    Two tabletop experiments demonstrate the time-warping principle at the human scale.

  7. Life

    Lone Star cats rescue cousins in Sunshine State

    Florida panther numbers have tripled since the introduction of females from Texas injected vital genetic diversity, a new report says.

  8. Humans

    Neandertals blasted out of existence, archaeologists propose

    An eruption may have wiped out Neandertals in Europe and western Asia, clearing the region for Stone Age Homo sapiens.

  9. Tech

    Tiny tools aren’t toys

    Enzyme-based machinery could have medical applications.

  10. Life

    A salty tail

    Just adding sodium can stimulate limb regrowth in tadpoles, a study finds, raising the possibility that human tissue might respond to relatively simple treatment.

  11. Physics

    Glacier found to be deeply cracked

    A new study finds deep fissures in Alaska ice that could affect future responses to melting.

  12. Life

    A thousand points of height

    A study finds heaps of genetic variants that influence a person’s stature, but even added together they don’t stack up to much.

  13. Space

    Distant world could support life

    For the first time, astronomers detect a planet beyond the solar system with the potential to be habitable.

  14. Life

    Massive count a drop in the bucket

    As the decade-long Census of Marine Life totes up thousands of new species, it leaves much yet to discover in the world’s oceans.

  15. Science & Society

    2010 Nobels recognize potential of basic science to shape the world

    Prizes go to IVF, graphene and ‘carbon chemistry at its best’

  16. Science Future for October 23, 2010

    October 28 – 30 National Science Teachers Association holds its Kansas City area conference on science education. Go to www.nsta.org/conferences/2010kan November 1 Slated launch date for shuttle Discovery’s final spaceflight. See www.nasa.gov/missions November 5Nomination deadline for the 15th Annual Carnegie Science Awards. Go to www.carnegiesciencecenter.org

  17. Vitamin D is essential to the modern indoor lifestyle

    It’s known that vitamin D is necessary for proper bone formation and maintenance. But recent decades have seen a torrent of studies suggesting that vitamin D can also affect many other aspects of health; some scientists have come to consider the daily recommended intake of 400 international units of vitamin D far too low. Michael […]

  18. Life

    The unusual suspects

    With no obvious culprit in sight, geneticists do broader sweeps to identify autism’s causes.

  19. Life

    An oceanic endeavor

    Marine census catalogs creatures that roam all corners of the seas.

  20. Cosmic dioramas

    Metamaterials may offer windows into other worlds.

  21. Letters

    Music on the mind Common experience confirms that music serves language (“A mind for music,” SN: 8/14/10, p. 17). A person unfamiliar with, say, the musical South Pacific has only to listen to its songs a few times to sing the lyrics from memory. Another who tries to memorize the lyrics by just hearing them […]

  22. Science Past from the issue of October 22, 1960

    WORLD TV VIA SATELLITES SET AT $170,000,000 — Fifty improved courier-type communications satellites would provide world-wide telephone and television facilities for a mere $170,000,000: $100,000,000 for the satellites and $70,000,000 for the ground stations. These are the figures the American Telephone and Telegraph Company estimated for the Federal Communications Commission in Washington, D.C. Without the […]

  23. The Weather of the Future by Heidi Cullen

    Review by Sid Perkins.