› added 8 years ago

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TIL there us no safe amount of lead exposure at all; the body thinks it’s calcium, so it goes wherever calcium would. It doesn’t get filtered out - it just accumulates.

Read more chemistry.about.com

via reddit.com

Wk9RX TIL that while filming Mimic, director Guillermo del Toro's father was kidnapped. The kidnappers demanded $1 million but del Toro already put all his money into the movie. James Cameron came in and gave him the $1 million in cash while also recommending a negotiator.
7Lop TIL that Pepsi and Coca-Cola are used as Pesticide by Farmers in India as they are cheap and get the job done.
woJ1P TIL philosopher Thomas Hobbes was born prematurely on 5 April 1588, his mother going in labor because of her anxiety about the imminent invasion of the spanish armada, He would later write that "my mother gave birth to twins: myself and fear"
epR94 TIL about Concetta Antico, a painter with tetrachromacy. This is an incredibly rare condition found predominantly in women, in which a person is born with 4 ocular cones instead of three. She can see around 90 million more colors than the average person.
69VYJ TIL there are an estimated 950 TRILLION invasive quagga mussels in Lake Michigan.