› added 6 years ago

12517

TIL, the unconfirmed record for fastest moving manmade object is a manhole cover propelled by a nuclear detonation. A high-speed camera trained on the lid caught only one frame of it moving upward before it vanished—which means it was moving about 125,000 miles per hour

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XEd8D TIL massage can increase serotonin and dopamine, while decreasing cortisol and norepinephrine. Just two 20 min sessions a week make a positive difference!
v1J5B TIL that Alexander the Great once built a half-mile causeway through the sea to capture the impregnable Tyre island. The island has remained a peninsula ever since
XE1A8 TIL Beck Weathers was left for dead twice after falling into coma while climbing Everest. At some point, his body warmed up and he regained consciousness. Blind, numb and severly frostbitten, he stumbled 300yd into Camp IV. He was saved in the 2nd highest altitude helicopter rescue in history.
yQMLv TIL the Rock Hyrax, a small rabbit-like animal, is the closest living relative to elephants.
woEg6 TIL Ancient Egypt may have had the first health-care plan in the world