Do cells in an astronaut鈥檚 body multiply at the same rate as on Earth?
It鈥檚 all relative, say our readers - for the astronaut, they do, but compared with someone staying on Earth, they don鈥檛. Just listen to Albert Einstein
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What happens when a hammer hits a nail?
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This week鈥檚 new questions
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Life
Stunning photos of life above and below water
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Tom Gauld on how scientists mingle at a drinks party
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Twisteddoodles: the correct way to load a dishwasher
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Earth
Dramatic images show the dark side of cobalt mining boom
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Life
A cheaper alternative to activated charcoal for your terrarium
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Did Natalie always look like a Natalie? A new study investigates
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If we could step to the universe鈥檚 furthest point, what would we see?
Our readers debate whether there is a furthest point to the universe at all, with a lack of consensus about what you might see there
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Why do large military planes have wings on the top of the fuselage?
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This week鈥檚 new questions
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Tom Gauld: Tragedy strikes the mission
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Twisteddoodles on the latest Toddler Science News
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