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TIL a graduate chemistry student tried to get high by synthesizing MPPP but accidentally made MPTP instead, which gave him permanent symptoms of Parkinson’s Disease.

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aXVM TIL Wilhelm Neubronner used pigeons to deliver medications from his pharmacy, when neighbouring villages received their own pharmacies his son patented the invention of aerial photography by attaching camera to the pigeons.
p0Dp TIL the 1883 eruption of Krakatoa (one of the deadliest and most destructive volcanic events in recorded history) was so powerful that it ruptured the eardrums of sailors 64km (40mi) away, created tsunamis over 40 metres high, and was so violent that it was heard 3,110km (1,930mi) away in Australia
v1ZnD TIL about DNP,a chemical that causes rapid weight loss in humans.It was prescribed to 100,000 people in the 1930s in the US and then discontinued after 2 people used 10x the recommended dose and died.It's being studied as potential treatment for obesity,Alzheimer's,Parkinson's diseases and epilespy.
XREP TIL that during Pablo Escobar’s “career” it is estimated that 80% of the cocaine entering the U.S. was supplied by him and Escobar was considered one of the richest men in the world during that time.
GX67 TIL that the human eye is sensitive enough that -assuming a flat Earth and complete darkness- you could spot a candle flame flickering up to 30miles (48 km) away.