The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
A single speck of dust is half way in size between a subatomic particle and the Earth.
15