To get a song out of your head, try doing something like a puzzle or Sudoku.
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
Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
2
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
A typical lead pencil can draw a line that is 35 miles long.
158
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Your body is creating and killing about 2.4 million red blood cells per second.
17