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Science

Biology, chemistry, physics, space and the living world — how things actually work.

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Popular in Science

0:47Lesson
Why salt actually melts ice
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Your cells replace themselves — mostly
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Why water is weird
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Entropy is not messiness
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1:00Analysis
Why heavy and light fall together
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Why earthquakes cluster where they do
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Plate tectonics: the 1cm engine
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Questions people are exploring

Q: At 0:42 — why does the road get COLDER while the ice is melting? That feels backwards. → Why salt actually melts ice

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