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NASA vs. cigarettes—a numbers game

People often criticize the amount of money spent on space exploration. Sometimes it's well-meaning friends and family who say that that money is wasted, and would be better spent on solving problems here on Earth. In fact, ...

dateNov 17, 2015 in Space Exploration
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Plate tectonics thanks to plumes?

"Knowing what a chicken looks like and what all the chickens before it looked like doesn't help us to understand the egg," says Taras Gerya. The ETH Professor of Geophysics uses this metaphor to address plate tectonics and ...

dateNov 11, 2015 in Earth Sciences
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