Your fingernails grow faster in summer.
744
Only about 2% of the world population has green eyes.
36
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
In Korea, a child’s first birthday is the most important. In one part of the celebration, several items are placed on a table. The one that the baby picks up first is said to predict their future.
13
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8