Vol. 176 No. #2 Archives

More Stories from the July 18, 2009 issue

  1. Health & Medicine

    Gene plus stress equals depression debate

    A reanalysis of data challenges a prominent report that a particular gene variant interacts with stressful experiences to promote depression, sparking controversy.

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  2. Tech

    Proposed quantum motor runs with a kick

    Scientists suggest a way to put ultracold atoms to work.

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  3. Paleontology

    Bird in the hand

    Fossilized fingers strengthen evolutionary link between dinosaurs and avian relatives.

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  4. Astronomy

    Supernova may be in a new class

    A recently discovered stellar explosion may be part of a new class of supernova.

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  5. Health & Medicine

    Downside of red-hot chili peppers

    In the wild, a culinary kick comes with risks to the plant.

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  6. Physics

    Martian lightning

    The Red Planet’s dust devils charge up particles, providing first direct evidence of this type of electrical discharge on Mars.

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  7. Archaeology

    Ancient granaries preceded the Agricultural Revolution

    Granaries excavated in Jordan indicate that people stored large quantities of wild cereals by about 11,300 years ago, a practice that led to the cultivation of domesticated plants, a new study suggests.

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  8. Tech

    Molecule gears up

    Researchers have made one of the most basic components of a machine out of a snowflake-shaped molecule.

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  9. Health & Medicine

    Test might ascertain who needs appendectomy

    Appendicitis might be diagnosable with a new urine test, an advance that could prevent many unnecessary surgeries.

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  10. Space

    Iron-ic twist deepens cosmic ray puzzle

    Researchers announce an intriguing new finding about the most energetic charged particles in the universe.

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  11. Archaeology

    Stone Age flutes found in Germany

    Excavations in Germany have unearthed what may be the oldest known musical instruments.

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  12. Space

    Baby Milky Way modeled

    Researchers unveil state-of-the-art simulation of galaxy formation.

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  13. Planetary Science

    Losing Louisiana

    A new model predicts that rises in sea level, combined with subsiding lands, will claim a tenth of the state by century’s end.

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  14. Chemistry

    Concerns over bisphenol A continue to grow

    Recent research finds that the hormone mimic may be more prevalent and more harmful than previously thought, highlighting why BPA is a growing worry for policy makers.

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  15. Science Future for July 18, 2009

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  16. Animal Migration: Remarkable Journeys in the Wild by Ben Hoare

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  17. Professional Learning Communities for Science Teaching: Lessons from Research and Practice by Susan Mundry and Katherine E. Stiles, eds.

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  18. The Ego Tunnel: The Science of the Mind and the Myth of the Self by Thomas Metzinger

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  19. Hornet Plus Three: The Story of the Apollo 11 Recovery by Bob Fish

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  20. Book Review: Weather’s Greatest Mysteries Solved! by Randy Cerveny

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  21. Book Review: Evolution Rx: A Practical Guide to Harnessing Our Innate Capacity for Health and Healing by William Meller

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  22. Five problems in physics without the definite article

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  23. Health & Medicine

    You Are Who You Are by Default

    A neural network active when the brain is at rest may prove critical to zoning out, a sense of self and envisioning the future.

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  24. Astronomy

    The Star That Ate a Mars

    COVER STORY: Scientists probe debris trapped by white dwarfs to learn more about what faraway Earthlike planets are made of.

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  25. Health & Medicine

    Bad Breath

    New studies detail how the invisible particles that pollute the air can damage heart, lungs and genetic programming.

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  26. Letters

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  27. Science Past from the issue of July 18, 1959

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  28. Complexity: A Guided Tour by Melanie Mitchell

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