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TIL Researchers have crafted tiny wireless cameras that can be attached to beetles

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via reddit.com

VBgDZ TIL it’s not a grain of sand that creates a pearl in an oyster, but rather a parasite
GANW7 TIL due to variances in Earth's orbit, in the northern hemisphere the day with the earliest sunset IS NOT December 21st. In fact in USA it occurs in early December and varies +/-2 weeks depending on your location
avp9 TIL that Marvel Comics owned the trademark to the word “zombie” until 1996
d8xj7 TIL a rodent that was believed to have been extinct for 113 years suddenly showed up right in front of researchers, staying long enough for its picture to be taken, before it disappeared back into the Colombian forest, having never been seen again.
m1GLy TIL that before the invention of electric light, most Europeans had two phases of sleep, awakening late at night before sleeping again, called biphasic sleep