Turning Mars Into Our Next Frontier Town

An entire home can potentially be built in a day using a 3D printer. A revolutionary technology initially developed to build emergency housing, Contour Crafting has NASA excited. And it may one day build biospheres on Mars.


Right now the technology uses concrete to build its homes, but concrete would be extremely costly and heavy to transport to Mars. The solution? Martian soil. Check out this extraordinary technology and its potential in this video:

Image credit: Kevin M. Gill/Flickr

'Upstreamism': Your zip code affects your health as much as genetics

Upstreamism advocate Rishi Manchanda calls us to understand health not as a "personal responsibility" but a "common good."

Sponsored by Northwell Health
  • Upstreamism tasks health care professionals to combat unhealthy social and cultural influences that exist outside — or upstream — of medical facilities.
  • Patients from low-income neighborhoods are most at risk of negative health impacts.
  • Thankfully, health care professionals are not alone. Upstreamism is increasingly part of our cultural consciousness.
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Videos
  • Oumuamua, a quarter-mile long asteroid tumbling through space, is Hawaiian for "scout", or "the first of many".
  • It was given this name because it came from another solar system.
  • Some claimed Oumuamua was an alien technology, but there's no actual evidence for that.

Banned books: 10 of the most-challenged books in America

America isn't immune to attempts to remove books from libraries and schools, here are ten frequent targets and why you ought to go check them out.

Nazis burn books on a huge bonfire of 'anti-German' literature in the Opernplatz, Berlin. (Photo by Keystone/Getty Images)
Culture & Religion
  • Even in America, books are frequently challenged and removed from schools and public libraries.
  • Every year, the American Library Association puts on Banned Books Week to draw attention to this fact.
  • Some of the books they include on their list of most frequently challenged are some of the greatest, most beloved, and entertaining books there are.
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Big Think
Sponsored by Lumina Foundation

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