When your face blushes, the lining of your stomach turns red, too.
154
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The average office desk has 400 times more bacteria than a toilet.
22
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Flu shots only work about 70% of the time.
18
Only 1% of bacteria cause disease.
45