Shape of things to come
Comet 67P/Churyumov-Gerasimenko has an irregular shape. What size do comets or asteroids need to...
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Lunar attraction
If a sea-level canal were dug from east to west across Asia, would the moon...
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Coloured dots
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Life
6000 people cram into one pool in China to beat the heat
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Feedback: Louisiana flooded by climate change denialism
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Life
Tiniest grazing mammal was a pig at the front, horse at the back
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