Vol. 183 No. #12
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More Stories from the June 15, 2013 issue

  1. Animals

    Tongue bristles help bats lap up nectar

    High-speed videos capture stretched-out tongue bumps that stretch out so nectar-feeding bats can slurp up their food.

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  2. Life

    How a sea anemone grows its tentacles

    Creature's cells change shape to form appendages.

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  3. Space

    Atom’s core gets pear-shaped

    Tapering asymmetry of some nuclei confirms predictions.

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  4. Humans

    Europe is one big family

    Continent's ancestry merges about 30 generations ago, genetic study finds

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  5. Health & Medicine

    Black women may have highest multiple sclerosis rates

    Large study counters common assumption that whites get MS more.

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  6. Earth

    The Arctic was once warmer, covered by trees

    Pliocene epoch featured greenhouse gas levels similar to today's but with higher average temperatures.

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  7. Psychology

    Brain training technique gets a critique

    In a new study, a popular style of memory workout leaves reasoning and mental agility flat.

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  8. Life

    Body’s clock linked to depression

    Gene activity in the brain suggests that circadian rhythms are off-kilter in people with depression.

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  9. Life

    Fossils point to ancient ape-monkey split

    Apes and monkeys split from a common ancestor more than 25 million years ago, fossil finds suggest.

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  10. Climate

    Warming may not release Arctic carbon

    Element could stay locked in soil, 20-year study suggests.

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  11. Life

    Cloning produces human embryonic stem cells

    Fine-tuning of technique used in other animals could enable personalized medicine.

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  12. Materials Science

    3-D imaging, pixel by pixel

    Easy technique uses inexpensive equipment to make three-dimensional rendering.

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  13. Planetary Science

    Gone perhaps, but Kepler won’t soon be forgotten

    Astronomers look forward to building on the planet-hunting telescope's discoveries.

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  14. Paleontology

    Blogger busts dinosaur myths

    The Science Life.

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  15. Humans

    Intel ISEF honors teens’ science

    Winners of science competition announced.

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  16. Psychology

    Present Shock

    When Everything Happens Now by Douglas Rushkoff.

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  17. Life

    View to a cell

    In 2013, Science News published a photo essay highlighting advances in microscopy that illuminate life within us, work that has now earned three researchers the 2014 Nobel Prize in chemistry.

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  18. Life

    Life Support

    Studies reveal the placenta’s crucial role in healthy pregnancies.

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  19. Letters to the editor

    Wet Earth Erin Wayman’s article “Faint young sun” (SN: 5/4/13, p. 30), about how the early Earth stayed warm enough for liquid water, made me wonder about the effect of the temperature of the planet itself. A hotter core, thinner crust, more volcanism — wouldn’t those factors in addition to atmospheric influences affect surface temperature? […]

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  20. Planetary Science

    Thirty years to Mars

    Excerpt from the June 15, 1963, issue of Science News Letter.

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  21. Animals

    Two books explore the weirdest life on Earth

    Zombie Birds, Astronaut Fish and Other Weird Animals by Becky Crew and Weird Life by David Toomey.

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