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
Thinking in a foreign language makes decisions more rational.
6
A singing birthday card has more computing power than the allied forces in 1945.
30
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
You forget 90% of your dreams.
256
The seahorse is the only fish to have a neck.
12
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
Most elephants weigh less than a blue whale's tongue.
442