Vol. 175 No. #11 Archives

More Stories from the May 23, 2009 issue

  1. Space

    Blob may signal monster galaxy feeding

    Researchers have found a giant blob of gas and stars, the fourth most distant object known in the universe. The blob may offer the earliest snapshot of a very young galaxy caught in the act of gobbling up material for growth.

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  2. Humans

    Rapid emotional swings could precede violence

    A tool from physics helps link the patterns of psychiatric patients’ symptoms and the likelihood they will commit violent acts.

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  3. Space

    Smallest exoplanet yet is found

    Finding a planet just under twice Earth's size puts astronomers closer to discovering an Earth counterpart.

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  4. Life

    New neurons don’t heal

    New neurons produced in the brain after a stroke don’t grow into all the cell types needed to heal the wound.

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  5. Agriculture

    News from Experimental Biology

    Senior editor Janet Raloff blogs from the 2009 meeting gathering dozens of societies together in New Orleans

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  6. Earth

    Fossil of a walking seal found

    A fossil skeleton discovered in the Canadian Arctic could represent a missing link in pinniped evolution.

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  7. Earth

    A little air pollution boosts vegetation’s carbon uptake

    Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.

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  8. Chemistry

    Yeast bred to bear artificial vanilla

    Researchers have co-opted fungi to produce the flavor more efficiently.

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  9. Plants

    Oops, missed that tree

    Until now, an acacia common in its African homeland had no scientific name

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  10. Psychology

    Males, females swap sex-role stereotypes

    Analysis finds that mating strategies are not universal

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  11. Life

    Mimivirus up close

    Scientists get a closer look at the structure of mimivirus, the largest virus in the world.

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  12. Health & Medicine

    New weapon fights hepatitis C

    Taking the experimental drug telaprevir with standard medications for hepatitis C clears the virus from patients’ blood better than the standard combination alone.

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  13. Life

    Birds bust a move to musical beats

    Parrots and possibly other vocal-mimicking animals can synchronize their movements to a musical beat, two new studies suggest.

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  14. Life

    Expansive genetic diversity in Africa revealed

    Largest genetic study of African populations yields clues about the origin of modern humans and the ancestry of African-Americans

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  15. Science Future for May 23, 2009

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  16. The Crowded Universe: The Search for Living Planets by Alan Boss

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  17. Book Review: The Day We Found the Universe by Marcia Bartusiak

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  18. Enjoy the indelible experience of emulating Galileo

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  19. Timeline: Seeing better

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  20. Eyes on the sky

    A roster of new and proposed telescopes

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  21. Gazing deeper still

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  22. Astronomy

    Beyond Galileo’s universe

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  23. Astronomy

    New eyes on the cosmos

    The next constellation of telescopes will dramatically extend and sharpen scientists’ view of the universe.

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  24. Science Past from the issue of May 23, 1959

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  25. Astronomical Spectrographs and their History by John Hearnshaw

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