In zero gravity, a candle's flame is round and blue.
16
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A cubic yard of air weighs about 2 pounds at sea level.
31