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  1. Planetary Science

    Touchdown! Phoenix lands on Mars

    The first close-up color images of the northern arctic circle on the Red Planet were recorded by the Mars Phoenix Lander spacecraft only a few hours after its flawless descent at 7:38 p.m. EDT, May 25. The detailed images suggest ice lies beneath the hard soil.

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  2. U.S. science policy needs to heed global realities

    Comment by Steven Hyman, provost of Harvard University

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  3. Science Future

    Upcoming events in science.

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  4. Humans

    From Science News Letter, June 7, 1958

    Carbon dioxide changes undifferentiated cells

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  5. Letters

    A little gravity “Britain’s biggest meteorite strike” (SN: 4/12/08, p. 238) states that “gravitational anomalies” make an offshore area a prime candidate as the possible impact site of a meteorite. Wouldn’t that be magnetic anomalies instead? If it is a gravitational anomaly, I would sure like an article on that alone! Thanks for the great […]

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  6. Physics

    Tight deadline

    Light behaves like waves or particles, but it doesn’t know what it will do in advance.

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  7. Space

    Many stars, many planets

    A new study reveals that as many as 30 percent of sunlike stars have close-in, relatively small planets — only 4 to 30 times as heavy as Earth.

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  8. Anthropology

    They’re fake, Indy!

    Scientists find that two rock crystal skulls often attributed to pre-Columbian societies are really modern phonies.

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  9. Space

    Slip-sliding away

    The surface of one of Jupiter’s moons shifts position.

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  10. Humans

    BOOK REVIEW | Naked in the Woods: Joseph Knowles and the Legacy of Frontier Fakery

    Review by Davide Castelvecchi.

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  11. Space

    BOOK REVIEW | Einstein and Oppenheimer: The Meaning of Genius by Silvan S. Schweber

    Review by Tom Siegfried.

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  12. BOOK LIST | Global Fever: How to Treat Climate Change

    An opening image of Edvard Munch’s “The Scream” will have you flipping quickly to “Turning Around by 2020.” Univ. of Chicago Press, 2008, 337 p., $22.50. GLOBAL FEVER: HOW TO TREAT CLIMATE CHANGE

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