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Asteroid Rate Jumped in Solar System’s Past

An analysis of lunar craters has found that we’ve been living in a relatively violent period in cosmic history. Read more… Powered by WPeMatico

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We Need Real Scientific Breakthroughs To Build A Clean Energy Economy

A decade ago, clean energy seemed like a pipe dream. Solar panels, windmills and electric cars were widely considered to be something for wealthy tree […]

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Unscrambling the Hidden Secrets of Superpermutations

A science fiction novelist and an internet commenter made breakthroughs on a longstanding problem about the number of ways you can arrange a set of […]

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