› added 6 years ago

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TIL sharks enter a trance-like state known as tonic immobility when turned upside down. A female orca off the coast of California was observed rolling a Great White over to induce this state and was one of the first cases of predation on a Great White in the wild by anything other than a human.

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jQXn TIL: Six months after building a $680,000 custom house with an ocean view, the homeowners found out it was built on the wrong lot.
KOJaa TIL that the UK was caught using a fake rock to spy on Russians
gM6g9 TIL that when simple AI was taught to play Tetris, the best solution it found was to pause the game just before the screen filled up so it would never lose.
jN8Ap TIL that the Confederate States' Flag actually looks like the Betsy Ross Flag. The flag most believe to be the "Confederate Flag" is actually one of the Confederate Battle flags.
R7Bv9 TIL the disposable surgical masks are designed to prevent infections to others by the wearer rather than protect the wearers themselves. Wearing one is actually a public service.