India used to be the richest country in the world until the British invasion in the early 17th Century.
37
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
The average office desk has 400 times more bacteria than a toilet.
22
Your heart rate can rise as much as 30% during a yawn.
69
The average sperm cell swims at 8 inches per hour.
4
It takes about 20 seconds for a red blood cell to circle the whole body.
102
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23

