Peanut butter and jelly sandwiches were originally considered a delicacy, only enjoyed by those of the upper class.
9
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
The words ‘racecar,’ ‘kayak’ and ‘level’ are the same whether
they are read left to right or right to left (palindromes).
they are read left to right or right to left (palindromes).
120
People who sleep late have more mental stamina and can outperform early risers.
33
The world's first Buddhist ruler, Emperor Ashoka, who ruled India from 274-232 BCE, was the first ruler in human history to ban slavery, the death penalty, animal cruelty, and deforestation. He even advocated gender equality in education and religious institutions.
32