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The Inside Story of the First Untethered Spacewalk
On February 7, 1984, astronaut Bruce McCandless ventured out into space and away from shuttle Challenger using only a nitrogen-propelled, hand-controlled backpack
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There Are Still Thousands of Tons of Unexploded Bombs in Germany, Left Over From World War II
More than 70 years after being dropped in Europe, the ordnance is still inflicting harm and mayhem
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