› added 5 years ago

56

TIL: Relative to their size, leaf-blowers are among the most polluting machines ever invented. 1/3 of their fuel is released into the air unburned, as an aerosol; and the amount of pollutants released from running one for 30 minutes is equivalent to that of an F-150 driving from Texas to Alaska.

Read more wikipedia.org

via reddit.com

NnoQ TIL That the Dark Film Noir/Art Deco feel to ‘Batman: The Animated Series’ was due to the use of black paper with light colours for animation, instead of the industry standard of dark colours on white paper.
R8Z9 TIL that human saliva contains a painkiller 6 times stronger than morphine
grKl7 TIL of the Hundred Horse Chestnut, the largest and oldest chestnut in the world which according to legend was large enough to give shelter to 100 knights and their horses inside its trunk during a storm, hence its name, the girth of the trunk is 57.9 meters (190 ft)
D1JDj TIL why people don't scream and flail around when they close to drowning; their bodies do not have the air needed to perform actions such as waving around or screaming for help to seek attention, so the body attempts to prolong your survival in a few ways completely subconsciously.
JMym TIL the Great Mosque of Paris sheltered Jews during the Holocaust and supplied them with Muslim identity certificates