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TIL One of the Congressmen who set up the House Committee on Un-American Activities was selling falsified passports to the Soviets and offered to spy for them.

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Br4jr TIL that Rudolf Diesel, who invented the Diesel engine, committed suicide in 1913 because he didn't think his invention would be successful.
RjxQ TIL Ivy League Schools would take nude pictures of students as part of the admission process.
Ypnlv TIL The bottlenose dolphin sleeps by shutting down half its brain along with the opposite eye. The other half remains awake at a low level of alertness to watch for predators and to surface to breath. After about two hours it reverses the process so the other half can rest.
xpK0 TIL that melittin, a toxin found in bee venom, physically destroys the HIV virus while leaving body cells unharmed.
9YwPD TIL: Mary Jo Kopechne asked Ted Kennedy for a ride back to her hotel from the party. But she left her purse and hotel key at the party.