How lightning gets so hot
A bolt can briefly heat the air around it to temperatures far above the surface of the Sun.
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How lightning gets so hot
A bolt can briefly heat the air around it to temperatures far above the surface of the Sun.
Why Antarctica counts as a desert
Deserts are about dryness, not heat, and the coldest continent is among the driest.
Three hearts and blue blood: the octopus
Few animals are as unusual as the octopus, with a body plan unlike our own.
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