Your brain in space
An investigation on the International Space Station is looking at how microgravity affects the human brain and what that in turn does to our cognitive and physical abilities. Read more on the NASA website.
5 of the world's best stargazing spots
Dark skies, clear air and elevation make for incredible views of the night sky. Here are five places around the world to find them. Photo: Jaco Powell, http://kalaharisafari.com/index.php/tours.html
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