Vol. 184 No. #3
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More Stories from the August 10, 2013 issue

  1. Health & Medicine

    Paralyzed rats relearn to pee

    Bladder control restored for the first time in animals with stark spinal cord damage.

  2. Animals

    Honeybees use right antennae to tell friend from foe

    Asymmetry in sense of smell alters insects' behavior in lab tests.

  3. Animals

    Gut microbes may put barrier between species

    Wiping out gut bacteria in wasps saves crossbred offspring from death, suggesting that microbes may play a role in speciation.

  4. Animals

    Highlights from the Evolution 2013 meeting

    Selections from the meeting include a natural fish experiment, terrapins' light displays and why a variety of eye colors persist in people, presented June 21-25 in Snowbird, Utah.

  5. Space

    Interstellar chemistry makes use of quantum shortcut

    Reactions in the frigid cold of space are sped by a quirk of physics, researchers propose.

  6. Life

    Bacterial molecules may prevent inflammatory bowel disease

    Common compounds produced by gut microbes quench colitis in mice.

  7. Planetary Science

    Gas, not planets, may be source of rings around stars

    Interactions between gas and dust may form elliptical patterns.

  8. Physics

    Perfect mirror debuts

    Material that reflects light without letting any escape could improve lasers.

  9. Health & Medicine

    Four-question test ID’s women with depression

    Simple decision tool shows potential as quick way to identify clinical depression.

  10. Health & Medicine

    What and when babies first eat may affect diabetes risk

    Children at risk of type 1 diabetes are better off waiting until 4 months of age to consume solid foods.

  11. Chemistry

    Coatings have simple recipe for success

    Chemists encapsulate tiny objects using natural ingredients and easy, inexpensive process.

  12. Life

    Gene therapy treats children with rare diseases

    Six kids are healthy, up to three years after treatment.

  13. Earth

    Huge quakes may foretell smaller, human-caused ones

    Distant powerful temblors triggered ominous activity at wastewater injection sites.

  14. Animals

    Fattened livers prep white sharks for extreme migrations

    The organ's reserves enable a long journey from waters off California to Hawaii and back, tracking data suggest.

  15. Genetics

    Technique inactivates Down-causing chromosome

    Though far from a cure, the advance could eventually lead to gene therapy that alleviates some symptoms.

  16. Tech

    Surgical tool smokes out cancer in seconds

    Sniffing for telltale molecules, method analyzes tissue with every cut.

  17. Anthropology

    War arose recently, anthropologists contend

    Infrequent killings among hunter-gatherer groups fit a scenario of a largely peaceful Stone Age, a study concludes.

  18. Physics

    Under magnet’s sway, fluids form simple structures

    Droplets wiggle, split and coalesce into simple and dynamic configurations.

  19. Life

    Size isn’t only mystery of huge virus

    A strange replication method and an unusual genetic sequence are among the mysteries of the outsized Pandoravirus.

  20. Environment

    Atomic ant sand

    Robb Hermes asked for sand ants to get samples of Trinitite, a material created in the test blasts of the first atomic bomb.

  21. Neuroscience


    The Seductive Appeal of Mindless Neuroscience by Sally Satel and Scott O. Lilienfeld.

  22. Archaeology

    Notorious Bones

    South African finds enter fray over origins of the human genus.

  23. Neuroscience

    The Anorexic Brain

    Neuroimaging improves understanding of eating disorder.

  24. Letters to the editor

    Not-so-smart perception Researchers studying associations between IQ and selected visual tasks (“Less is more for smart perception,” SN: 6/29/13, p. 18) report that tracking small moving foreground objects, a task at which high-IQ subjects excelled, is often more important than detecting large-object motion or attending to background activity. They suggest that for driving or walking […]

  25. Computing

    Forecasting by computer

    Excerpt from the August 10, 1963, issue of Science News Letter.

  26. Genetics

    The Sports Gene

    Inside the Science of Extraordinary Athletic Performance by David Epstein.