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When We Discovered the Universe

In 1925, humankind discovered the universe as it truly is

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MAGAZINE HIGHLIGHTS

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Walking With Venus' Wind

The hellishly hot planet fries spacecraft electronics, so NASA scientists devised a machine inspired by ancient technology.
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Building Blocks

Talking bats, a camera-shy black hole and asteroid hype.
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What to Read in April

Dead times, big bangs, inkblots and more.
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