10 Common Misconceptions Debunked

Here is a video I found on Gizmodo this morning that shows you 10 common misconceptions that we have as people, and why they're false. Check out the list below to see what the misconceptions are and watch the video to see the reasons why our misconceptions are untrue.

Teaser and Warning: If you're afraid of spiders, do not watch No. 10. I've been plagued with thoughts of spiders since 8 o'clock this morning.

10. The Great Wall of China is the only man-made object visible from space.
9. Cracking your knuckles causes arthritis.
8. People only use 10 percent of their brain.
7. Eskimos have hundreds of words for snow.
6. You need eight glasses of water a day.
5. Tap water is bad, but bottled water is good.
4. Gum takes seven years to pass through your digestive system.
3. Blood in your veins is blue.
2. Fan death.
1. People swallow eight spiders a year while sleeping.