Vol. 180 No. #3 Archives

More Stories from the July 30, 2011 issue

  1. Health & Medicine

    Brain has two slots for working memory

    The left and right hemispheres have equal and independent capacity, monkey study finds.

  2. Health & Medicine

    Food choices matter in weight control

    Potatoes and sugary soft drinks add pounds, a long-term analysis shows; fruit, yogurt and nuts help shed them.

  3. Space

    NASA spacecraft puts moon in new focus

    Images from the Lunar Reconnaissance Orbiter show fine details of the lunar surface.

  4. Psychology

    Math disability tied to bad number sense

    Children who don’t grasp arithmetic at all, unlike below-average students, have little feel for estimating quantities.

  5. Tech

    Batteries not included

    Researchers have developed a sensor that, when flexed, generates enough charge to send wireless signals.

  6. Earth

    Floodwaters may trigger fault motion

    In sediments under California’s Salton Sea, geologists find evidence for a natural disaster one-two punch.

  7. Health & Medicine

    Snakebite treatment buys time

    An ointment that slows the transport of venom from the bite site to the vital organs could keep victims alive long enough to reach medical care.

  8. Life

    New gene therapy fixes mistakes

    For the first time scientists have repaired a damaged gene in a living mouse.

  9. Humans

    Bone may display oldest art in Americas

    A mammoth engraved on a fossil may date from at least 13,000 year ago.

  10. Life

    Tasmanian devil genomes offer some hope, few answers

    While clues to combating the infectious cancer that's threatening the species remain elusive, the completion of two genetic blueprints reveals a low but stable genetic diversity.

  11. Animals

    Lionfish no match for big groupers

    Despite its invasive success, the lionfish can't withstand grouper appetites.

  12. Earth

    BPA makes male mice less macho

    Studies show that exposures in the womb or during adolescence can erase masculine habits or reverse sexes' behavior.

  13. Life

    Alzheimer’s plaques due to purging flaw

    A gene controls the clearance of a protein that accumulates in the brains of people with the condition.

  14. Space

    Most distant quasar raises questions

    Superbright object appeared surprisingly soon after the Big Bang, challenging some theories about how black holes arose.

  15. Chemistry

    Molecules/Matter & Energy

    Electrifying ink, superelastic alloys, knotty molecules and more in this week's news.

  16. Earth


    Airplanes knock rain from the sky, plus a quick-melting glacier and BPA's diabetes link in this week's news.

  17. Earth

    Sulfur stalls surface temperature rise

    A new study shows how pollutants helped balance out the effects of greenhouse gases from 1998 to 2008.

  18. Life

    DNA hints at polar bears’ Irish ancestry

    Mitochondrial genetic analysis suggests a bit o’ hybridizing long ago with brown bears on the Emerald Isle.

  19. Science Future for July 30, 2011

  20. Science Past from the issue of July 29, 1961

  21. Men to Mars Possible in 60’s, Experts Say

    Experts had forecast that astronauts would walk on Mars by 1970, but such a feat is still 20-plus years out.

  22. The Power of Music: Pioneering Discoveries in the New Science of Song by Elena Mannes

  23. Saving Sea Turtles: Extraordinary Stories from the Battle against Extinction by James R. Spotila

  24. Sex, Murder, and the Meaning of Life: A Psychologist Investigates How Evolution, Cognition, and Complexity are Revolutionizing our View of Human Nature by Douglas T. Kenrick

  25. The Stem Cell Hope: How Stem Cell Medicine Can Change Our Lives by Alice Park

  26. BOOK REVIEW: Periodic Tales: A Cultural History of the Elements, from Arsenic to Zinc by Hugh Aldersey-Williams

  27. BOOK REVIEW: The Science of Evil: On Empathy and the Origins of Cruelty by Simon Baron-Cohen

  28. Humans

    Crime’s digital past

    Computer science makes history, gleaning new findings from centuries' worth of transcripts from a Victorian-era courthouse.

  29. Health & Medicine

    Residents of the brain

    It's a zoo in there: Scientists turn up startling diversity among neurons.

  30. Space

    Lighting the universe

    Scientists rethink what the first stars were like and how they formed.

  31. Letters

  32. SN Online

  33. The Quest for the Cure: The Science and Stories Behind the Next Generation of Medicines by Brent R. Stockwell