› added 1 year ago

516

TIL that the Kentucky Derby is the oldest sports event in the United States. It is held annually and first began in 1875.

Read more britannica.com

via reddit.com

a84wN TIL that you are not supposed to rinse your mouth with water after brushing teeth or using a mouthwash, because the fluoride coating on your teeth helps protect against cavities and rinsing your mouth after dilutes the fluoride, making it ineffective. Instead, you should wait, preferably 20 minutes.
M7J0A TIL that Canadians are required to answer a skill-testing math question to win contest prizes!
9YvLM TIL the Chinese word for contradiction, Maodun, roughly translates to ‘Spear-Shield’ which stems from an old tale of a merchant selling a spear that could break any shield and a shield that could withstand any weapon.
AdLo TIL that 80% of French bulldog litters require artificial insemination and caesarean section to give birth. This is because many males are incapable of breeding due to slim hips that make them unable to mount the female.
D1MNp TIL there are more than three million shipwrecks on the ocean floor.