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TIL there are other similar disorders to Down Syndrome including Trisomy 18 and Trisomy 13, most of which are lethal at an early age

Read more pubmed.ncbi.nlm.nih.gov

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awkoJ TIL of the Kyshtym disaster, the 3rd worst radioactive disaster in history, which was kept secret by the Soviet Union for 18 years and spewed radioactive fallout over 52,000km2
DkQV TIL the Air Force made Richard Dean Anderson an honorary Brigadier General for his role as Jack O'Neill on Stargate SG-1
5NZk TIL divorce only became legal in Ireland in 1997.
omKK TIL - gorillas can learn more than 1000 words and may be smarter than 15% to 20% of humans based on standardized IQ tests
PYbnG TIL that the renowned Conestoga wagon, the backbone of any Oregon Trail playthrough, was almost never used by westward settlers as it was too heavy to pass the soft prairie trails.