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TIL that Black-capped Chickadee's can reduce their body temperature by as much as 10 to 12 °C

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W7wxL TIL about the berserker hypothesis, a proposed solution to the Fermi paradox stating the reason why we haven't found other sentient species yet is because those species have been wiped out by self-replicating "berserker" probes.
MeRJB TIL loneliness is labeled an epidemic worthy of a public health intervention in USA. Loneliness and weak social connections are associated with a reduction in lifespan similar to that caused by smoking 15 cigarettes a day and even greater than that associated with obesity.
M7MP8 TIL: Around 41.6 percent of Americans are nearsighted, up from 25 percent in 1971. Projections suggest that almost 50 percent of the world will be myopic by 2050.
698JJ TIL IIHS researchers estimated that about 900 fatal crashes (727 involving pedestrians and 174 involving vehicle occupants) could have been avoided during 1987-91 if daylight saving time had been in effect throughout the year
69Gr8 TIL the 1972 Attica prison uprising in Upstate New York, in which the prisoners demanded better living conditions, ended on the 5th day when law enforcement stormed in and killed 29 prisoners and 10 hostages. Prisoners were then stripped naked and forced to crawl through the latrine and beaten.