› added 4 months ago

88

TIL a 2x4 is actually 1.5x3.5 inches

Read more southernpine.com

via reddit.com

dDXMK TIL: Prairie dogs build their burrows with a flat orifice at one end and a mounded one at the other. During a breeze, the different surface geometries create a pressure differential via the Bernoulli effect, forcing air to flow from the flat end to the mounded end, ventilating the burrow.
N8E6 TIL that the Pillars of Creation were destroyed by a supernova 6000 years ago
QjQ9 TIL that when surrendering during the American Civil war Robert E Lee dressed in an immaculate custom made uniform while Ulysses S Grant was dressed in a mud splattered general issue uniform.
epdkJ TIL of 'Dr' John R. Brinkley - a radio pioneer and fake physician. He would later make part of his fortune implanting goat testicles into humans to increase their virility.
vLkK TIL of Tetris Syndrome, which is when you play a game too long and you start to dream about it, and hallucinate about it on the edges of your vision.