Hit Points on MSN
NASA reveals how actual human sweat could build Mars colonies
On the harsh surface of Mars, where every resource counts, scientists are turning human sweat and urine into a vital building ...
Lake Natron in northern Tanzania carries a vivid red color that can be seen from thousands of feet above the ground, yet its ...
Morning Overview on MSN
They locked humans in a fake Earth for 2 years and the experiment imploded
In the early 1990s, eight people agreed to vanish from the world and live for two years inside a sealed glass habitat in the ...
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