› added 1 year ago

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TIL that many opal stones are actually made up of fossilized marine microbes, including diatoms and radiolarians.

Read more sciencedirect.com

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x0ro TIL Mathematician Paul Erdos could calculate in his head, given a person’s age, how many seconds they had lived….when he was 4.
PLxO TIL that the Boston Marathon (2013), Virginia Tech Shootings (2007), Columbine Shootings (1999), Oklahoma City bombing (1995), and the Branch Davidian siege (1993) have all occurred in the same week of April.
D50D TIL a Chinese-built submersible has the greatest depth range of any manned research vehicle in the world
16w0r TIL Actress Ida Lupino was one of the first female directors with real industry power. Aside from Rod Serling himself, she’s the only person to both direct and star in episodes of The Twilight Zone. "The Sixteen Millimeter Shrine" and "The Masks" are both critically regarded as among the show's best
WkwOo TIL 3–15% of alcoholics commit suicide, and over 50% of all suicides are associated with alcohol or drug dependence, due to alcohol causing physiological distortion of brain chemistry, as well as social isolation.