› added 6 years ago

50

TIL The dizziness and blurred vision (feeling of fainting) caused by suddenly standing up after a long time is called Orthostatic Hypotension. Because of gravity, your blood will fall to your lower body which causes your Thorax (chest area) and head to temporarily lose 700ml of blood.

Read more wikipedia.org

via reddit.com

X6ZD TIL that domesticated cats are such good predators that they have contributed to the extinction of at least 22 species of birds.
QJ8Be TIL Michael Keaton, a longtime Pittsburgh resident and fan of its sports teams, negotiated a break in his Batman movie contract in case the Pirates made the playoffs that year. "They thought I was kidding," he said. "I wasn't."
pYGQO TIL Salvia Divinorum, a plant in the Mint family, produces the most potent naturally occurring hallucinogen by mass. The most intense peak is reached in roughly a minute & lasts for 1–5 minutes. Users usually return to a sense of the everyday & familiar, then to baseline, after about 15-20 minutes.
xVWM7 TIL In April 1918, Winston Churchill nominated Theodore Roosevelt to be the Allies plenipotentiary to Moscow. The plan was for Roosevelt to make a deal where Lenin reentered the war and the Allies would "safeguard the permanent fruits of the Revolution"
vLmx TIL adult Luna moths have no mouths, they live off the energy they stored as a caterpillar