Elon Musk' s motivation for making billions? To help humans become a multi-planetary species.

Elon Musk publishes a visionary paper on his company's plans to colonize space.

Tesla CEO Elon Musk speaks during an event to launch the new Tesla Model X Crossover SUV on September 29, 2015 in Fremont, California. (Photo by Justin Sullivan/Getty Images). Rocket on Enceladus. Credit: SpaceX

Having previously teased that he'd like to put one million people on Mars, tech billionaire and serial enterpreneur Elon Musk released the specifics of his plan to colonize space. His paper "Making Humans a Multi-Planetary Species" outlines what kind of technology humans will need to make that dream a reality, including how to build a city on Mars, as well as the timeline for this endeavor.

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PC Philosophy, or Why Some University Students Just Kant Even

Students at an English university have demanded that their curriculum be "decolonized". What does that mean?

 

A woman looks at a giant sculpture featuring a pile of books by famous German writers and philosophers opposite Berlin's Humboldt University. (Photo credit JOHN MACDOUGALL/AFP/Getty Images)

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