› added 4 years ago

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TIL Count Xavier Dupont de Ligonnès, the main suspect in the murder of his whole family (four kids, wife and the two family dogs), disappeared right after the family's body were found in 2011 and hasn't been seen ever since.

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0oJM TIL Most people in Europe do not use air conditioning.
lXK1 TIL A 2008 study found that fast food hamburgers were made up of only 12% meat. The rest was water weight, bone, cartilage, plant matter, and parasites.
9wM7D TIL that the two-man astronaut crews on the first four space shuttle missions wore special launch suits and sat in military jet-style seats that allowed them to eject at altitudes as high as 80,000 feet. These were no longer used once the shuttle was declared "operational" for future NASA missions.
9l46 TIL that slaves and serfs made up around three-quarters of the world’s population at the beginning of the 19th century.
xVWY5 TIL of the Five Whys method, invented by Sakichi Toyoda (b. 1867, d. 1930, founder of Toyota industries) as a method of working through symptoms until a root cause is discovered by asking "Why?" five times.