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  1. Planetary Science

    Far-out science

    New measurements show that the planetoid Sedna spins more rapidly than earlier observations had suggested.

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  2. Health & Medicine

    When the stomach gets low on acid

    A study in mice shows that a shortage of stomach acid can lead to cancer, apparently as a result of bacterial overgrowth and inflammation.

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  3. Many cyanobacteria make a neurotoxin

    A brain-damaging toxin, once believed to come only from a group of tropical plants and their live-in microbes, turns out to be much more widespread.

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  4. Health & Medicine

    Licorice ingredient ferrets out herpes

    A compound in licorice homes in on lab-grown cells infected with a herpes virus and induces them to self-destruct.

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  5. Paleontology

    Early mammal had newfangled fangs

    A tiny mammal that lived in Colorado about 150 million years ago had hollow teeth that lacked enamel, a characteristic that didn't reappear in mammals for another 100 million years.

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  6. Planetary Science

    The Huygens Chronicles

    After several months of painstaking work analyzing data from the Huygens probe, planetary scientists are able to see the surface of Saturn's moon Titan in greater detail than ever before.

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  7. 19547

    It is frustrating to read of studies endeavoring to study brain activity as related to reading and thinking. What the researchers are observing, in my opinion, is brain activity related to building a lexicon. Animals and children “think” without a lexicon. “Ethan” was intensely interested in symbols but not exceptional in relating those symbols to […]

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  8. Read All about It

    Brain studies and cross-cultural investigations indicate that the neural path to becoming a good reader varies, depending on a person's inherent capacity for assessing print and on the design principles of his or her native writing system.

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  9. Math

    Classroom Birthdays

    What's the probability of finding matching birthdays in a small group?

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  10. Humans

    Letters from the April 23, 2005, issue of Science News

    The shark as red herring I’m sure you published “A Fishy Therapy,” (SN: 3/5/05, p. 154) in good faith, but I believe that claims for shark cartilage are not made seriously by anyone who studies the role of natural substances in cancer prevention. It was proved ineffective long ago. I think your article does a […]

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  11. Humans

    From the April 20, 1935, issue

    Workings of human body portrayed in new exhibit, tapping brain waves to study epilepsy, and the discovery of a new amino acid.

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  12. Physics

    Einstein at Home

    The Einstein@Home program offers participants a chance to use idle time on their computers to search for spinning pulsars in data collected by gravitational-wave detectors in the United States and Europe. This Web site describes the program and lets you sign up your computer for cutting-edge astrophysics research. Go to: http://einstein.phys.uwm.edu/

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