Space
How to see Mars disappear behind the moon this December
A rare lunar occultation of Mars will be visible from parts of the world this month. Abigail Beall explains how to spot it
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If the house always wins, how do professional gamblers make a living?
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Is it theoretically possible for our memory to become full?
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This week鈥檚 new questions
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Tom Gauld: Scientists of the Old West
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Twisteddoodles on discussing research
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Life
Orchidomania: A history of our obsession with orchids
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Why are many people squeamish about the sight of blood?
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What crops did Europeans bring to the Americas?
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Why do humans have pubic hair? (Part 3)
Previous answers to this question discussed the protective and smell-collecting properties of pubic hair, but another reader thinks that it is down to sexual attraction
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This week鈥檚 new questions
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Humans
How to hack your macaroni cheese
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Bankman-Fried tops nominative determinism parade of tech entrepreneurs
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Tom Gauld on the musings of Kierkegaard
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