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  1. Science Past from the issue of April 22, 1961

    RUSSIAN FIRST MAN IN SPACE — The Russians put the first man in orbit and returned him safely. A Soviet Air Force major, father of two, has circled the earth in 89.1 minutes, and come back, the official Russian news agency Tass reported. The height of the orbit varied from 110 to 188 miles. Maj. […]

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  2. Science Future for April 23, 2011

    May 6 Eta Aquarid meteor shower peaks before dawn. Go to earthsky.org/tonight for info. May 6 The first female “private space explorer” speaks at Pittsburgh’s Carnegie Science Awards. See www.carnegiesciencecenter.org May 15 Deadline to submit photos of “chemistry in our drinks” to the Colors of Chemistry calendar competition. Find out more at colorsofchemistry.org

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  3. Letters

    Science not in the zone It makes no sense to analyze basketball shooting streaks (“In the zone,” SN: 2/12/11, p. 26) as though they were similar to slot machines or video games, which are supposed to be random. Basketball shooting, and other sports activities, are definitely not random events.Walt Gray, Richland, Wash. I was very […]

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  4. SN Online

    Highlights from recent online-only stories

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  5. Space

    Baffling blowup in distant galaxy

    A high-energy blast has gone on for 11 days, puzzling astronomers as to its source.

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  6. Space

    Pioneer puzzle pinned on thermodynamics

    Waste heat, not exotic physics, is slowing two 1970s-era space probes down more than would be expected, a new study claims.

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  7. Health & Medicine

    Gut microbes may foster heart disease

    In breaking down a common dietary fat, helpful bacteria initiate production of an artery-hardening compound, mouse experiments suggest.

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  8. Space

    Fermilab data hint at possible new particle

    For the second time in weeks, results from powerful collisions of protons and antiprotons at Fermilab’s Tevatron accelerator can’t be explained with standard model of physics.

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  9. Life

    Why diversity rules

    A new experiment demonstrates the way a multitude of specialized species absorb nutrients more effectively than a highly productive one.

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  10. Humans

    Genetic roots of ‘orchid’ children

    Kids who inherit certain DNA variants may be most likely to wilt in bad circumstances and bloom in good ones.

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  11. Psychology

    Shocking experiment shows talk is cheap

    Though most people swear they'd never hurt anybody for money, most are also quick to shock a new acquaintance for a few quid when actually given the chance, a British study finds.

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  12. Health & Medicine

    Beer, bugs, DNA linked to stomach cancer

    Guzzlers who have a particular genetic variant and an unnoticed bacterial infection are at high risk, a European study finds.

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