Ketchup was invented by British sailors trying to recreate the fish sauce they had in China.

Johnny Cash started a wildfire that burned over 500 acres and killed 49 of the 53 endangered condors living in the wildlife refuge.

The Vatican has a secret bathroom covered in erotic fresco murals by Raphael.

Canada has more donut shops per capita than anywhere else in the world.

In 1992, a shipping crate full of rubber ducks was lost at sea going from the US to China. Oceanographers have used the ducks to study ocean currents. They were found all over the Pacific ocean as well as frozen in the artic and Scotland. The ducks helped researchers determine it takes 3 years for ocean currents to fully circulate. And they brought attention to the huge Pacific garbage patch.

Kissing is more sanitary than shaking hands.

A German folklore says knocking on wood summons wood nymphs which are good luck.

In the 18th century, Mary Toft from England convinced her doctor she gave birth to rabbits. Her doctor wrote to the King who sent a doctor who saw her give birth to her 15th rabbit. He took some rabbits back to be examined. The King then sent a surgeon who wasn’t convinced. And she started to give birth to other things. Then a man was caught sneaking rabbits into her room. She manually inserted the dead rabbits and then allowed them to be removed. She went to prison and the King’s doctor was fired.

Some popcorn kernels don’t pop because they have lost the moisture between the kernel and the protective outer layer. And they will never pop.

Letting kids use their fingers to count makes them better at math.