› added 3 months ago

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TIL the Mantis Shrimps' claws strike with the speed of a bullet, creating cavitation bubbles that generate light and heat nearly as hot as the sun's surface.

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V4RG TIL: It takes half a calorie of energy to digest a stalk of celery, making it not, in fact, negative calories
kJW9e TIL Joe Delaney, running back for the Kansas City Chiefs, died while trying to rescue three children from drowning in a pond.
9YGr7 TIL in 1959, a geologist built a rock cairn 1.2 m away from a glacier and left a note, asking whoever found it to measure the distance to the glacier. When it was found in 2013, the distance had grown up to 101.5 m. For a scientist in the 1950s to predict a glacier retreating was highly unexpected.
Z8oZQ TIL some trees have a sex.
GA9E TIL of the Holodomor, the man made famine inflicted upon the Ukrainians by the Soviets in 1932/33. Western governments ignored it due to the desire to gain the Soviets as an ally in trade and war. By the 1937 census, 11,000,000 Ukrainians were no longer present. Some left, but most starved to death.