More from Jeff Hecht
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Dark energy still refuses to go away
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NASA plans escape route
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Dogs ‘evolved from handful of wolves’
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Small but deadly asteroid threat downgraded
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A faster, better, cheaper way to probe space failures
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Flawed water tests put millions at risk
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Space plane to rescue NASA
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Flawed water tests put millions at risk
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Far-out ideas may be last hope for curbing global warming
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From bugs to birds to giant reptiles, we’re finally growing a tree of life
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Alien world spotted through star dust
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Fresh safety probe for shuttle fleet
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