Physics
See the latest physics news and expert analysis on dark matter, the multiverse, theoretical and particle physics, quantum theory, and more from the world of physics.
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Earth
Land of the midnight sums
What would a depressed Swedish chemist, alone in the Nordic winter as his marriage collapsed, do on a Christmas Eve? Svante Arrhenius began a marathon of mathematical calculation that took him more than a year, effectively inventing the theory of global warming
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