› added 8 years ago

502

TIL that 96 workers died while constructing the Hoover Dam from 1931-1935

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rRJV4 TIL Sodium Lauryl Sulfate (SLS) is often added to toothpaste to act as a foaming agent. A Norwegian study in 1994 revealed that this almost tripled the rates of mouth ulcers to those susceptible.
A6Ad TIL Headaches are actually the structures around the brain hurting, not the brain tissue, as the brain has no pain receptors
XpBj TIL that Arm & Hammer, the baking soda company, was purchased by Armand Hammer, a business tycoon, who was named after the symbol for the Socialist Labor Party of America - an Arm and Hammer.
dd5K TIL that after the death of Steve Irwin, in what was speculated to be a series of revenge killings, at least ten stingrays were found dead and mutilated on the coast of Queensland
4We6 TIL that Leonard Nimoy had veto power when recasting Spock for the new ‘Star Trek’ films. He gave approval to Zachary Quinto replacing him in the role.