› added 9 years ago

412

TIL that asthmatics can cough up mucous casts of their own airways.

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ZpVLv TIL Firefighters use a chemical called "wet water". The chemicals added to the water allow it to spread efficiently, and helps put out fires.
pel4 TIL The principal from Ferris Bueller’s Day Off is a registered sex offender for life
R69j TIL that as part of the contract for appearing on Shark Tank, if you mention the name of any company you own then Shark Tank automatically owns 5% of that company or gets 2% of the lifetime profits. This is true whether the Sharks make a deal with that person or not, and prevents free advertising.
VMP64 TIL early-20th-century actress, Maude Adams, wanted to do a film version of Peter Pan, but was against doing it in black-and-white. She began working with experts on those obstacles, i.e. lack of color film and inadequate lighting. She earned several electric-light patents in the 1930s.
epABk TIL Rapid ʻŌhiʻa Death (ROD) is a fungal disease that is rapidly killing forests of ʻōhiʻa (Metrosideros polymorpha)—an ecologically important native tree species within the Hawaiian Islands that has provided a plethora of habitats for endangered birds and other species.