Flu shots only work about 70% of the time.
18
Pain travels through your body at 350 ft. per second.
36
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
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
It takes approximately 12 hours for food to entirely digest.
93
The average person's skin weighs twice as much as their brain.
131
The average office desk has 400 times more bacteria than a toilet.
22
