10: Mount Everest Is The Tallest Mountain in the World.
9: Body Heat Dissipates Mainly Through the Head.
8: The Great Wall of China Is the Only Man-made Object Visible from Space.
7: Glass Is a Slow-moving Liquid.
6: Mother Birds Will Abandon Babies if You Touch Them.
5: Different Parts of Your Tongue Detect Different Tastes.
4: People Thought the World Was Flat Before Columbus.
3: Deoxygenated Blood Is Blue.
2: Chameleons Change Color to Blend in with Surroundings.
1: Humans Have Five Senses.
Source: http://science.howstuffworks.com/scienc ... facts1.htm