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TIL when Facebook acquired Instagram in 2012 for $1B, the 15-month old Instagram had only 13 employees

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9wKXD TIL Ancient Egyptians tested for pregnancy by having potential moms urinate on bags containing wheat and barley; if they sprouted shortly after it was a sign of pregnancy. A 1963 study reproduced the results as 70% accurate.
LkRZ TIL that Helen Keller was a radical socialist and the FBI monitored her because of it
R7kEa TIL that over 4,000 prisoners die in custody each year in the United States. Suicide is the leading cause of death in local jails, while state prisons see more cancer deaths. White males are the most likely to die in prison, with one fourth of the fatalities occurring in Texas and California.
W7MDL TIL that Stromatolites can still be found off the coast of Western Australia. They are microbial reefs created by cyanobacteria as they photosynthesise and release oxygen into the ocean. Stromatolites first appeared on Earth around 3.5bn years ago.
0wnEM TIL that the exoplanet Kepler-70b has an average temperature hotter than the Sun's surface as a result of falling into its host star and subsequently surviving