Today on 91av
All the latest on newscientist.com: big bang, no boom? the world on fire that Voyager found, the hardest teeth on Earth, Virgin Galactic and more
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Earth
Gleaming beetle one of 60 new species in Suriname
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Today on 91av
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Space
First weather report on an extrasolar planet
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Space
Historic shots of Io revealed a world on fire
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Enigma Number 1769
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Feedback: Guns for the blind
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Soft focus
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Big blue
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