4.5 pounds of sunlight strike the Earth each day.
27
Iron weighs more after it rusts.
68
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
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
Research indicates that plants grow healthier when they are stroked.
173
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39