› added 12 years ago

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TIL- Leif Ericson discover North America 500 years before Columbus using Iceland Spar, a stone that refracts light in 2 visible wavelengths, enabling him to find the sun on cloudy days.

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Z8Rn4 TIL There’s a myth that these are the memories of our past life which somehow make appearance in our subconscious mind. Some scientists believe that these are the memories that are vanished off from our conscious mind.
9wDB TIL reddit employs just 20 people
R7wGQ TIL A full-time nurse named Marie Van Brittan Brown and her husband Albert invented the first home security system in 1966. She was inspired to do so because she saw how long it would take the police to arrive in her neighborhood after a crime was reported.
OoJA6 TIL in 1960, an Australian father won nearly $3 million (adjusted AU$) in the lottery, with his picture getting plastered all over the news. Shortly after, his 8-year-old son was kidnapped for ransom and eventually murdered. This changed anonymity laws for lottery winners in Australia forever.
R5D58 TIL As of May 2019, videos were being uploaded to YouTube at a rate of more than 500 hours of content per minute.