A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One third of the electricity produced on earth is used to power electric light bulbs!
75
A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The sun is 330,330 times larger than the earth.
75
Out of all the senses, smell is most closely linked to memory.
146