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Looking to protect astronauts in space from the harmful effects of the sun's radiation, NASA formulated a beverage—known simply as "space drink" or AS10—blending together a rich cocktail of vitamins and antioxidants, exotic fruits and other plant derivatives, including Brazil's cupuacu fruit, acai, prickly pear, yumberry, acerola, grape, green tea, and pomegranate. More »
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In 2001, a NASA study found that at least 39 former astronauts suffered cataracts after flying in space, 36 of whom had taken part in missions beyond Earth's orbit. Separately, the agency has tentatively estimated that a trip to Mar... Read Post

There are no hospitals in space. The closest E.R. is back on Earth, and astronauts can't exactly jump in a cab to get there. So what happens if the sun burps out a massive blast of radiation while an astronaut is space-amblin' by? M... Read Post

According to the international space agencies, "Space Weather" is the single greatest obstacle to deep space travel. Radiation from the sun and cosmic rays pose a deadly threat to astronauts in space. Read Post