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TIL there is virtually no scientific evidence that supports the purported health benefits of kombucha. There are also known adverse effects, including severe hepatic and renal toxicity.

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P15lJ TIL in 1962 Nick Holonyak Jr. invented & first demonstrated a semiconductor laser diode that emitted visible light which was the forerunner of the first generation of commercial LEDs. In addition, 10 of his 60 former doctoral students have since developed new uses for LED technology.
grm9b TIL: The London Beer Flood of 1814 killed 8 people and nearly bankrupted the brewery. One 22 foot tall barrel burst, causing a chain reacting leading to 128k-323k imperial gallons to flood London for 2 days. During that time, stories of mass drunkenness occurred.
jNJBX TIL that between the 1940s and 1970s several Ivy League schools, including Harvard and Yale, took mandatory nude photographs of all freshman students
M4x0 TIL the average house in the US is almost 3 times bigger than the average house in the UK
KYDBB TIL After her space shuttle flight, astronaut Lisa Nowak was diagnosed with a variety of mental illnesses, including Asperger's disorder and obsessive compulsive personality disorder. NASA declined to comment whether it identified the disorders when she joined NASA's astronaut corps