The average temperature at 40,000 feet above sea level is -60 F.
56
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Research indicates that plants grow healthier when they are stroked.
173
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Sound at the right vibration can bore holes through a solid object.
134
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65