A cubic yard of air weighs about 2 pounds at sea level.
31
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists are now able to grow 'beating' heart tissue in a lab!
162
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A cesium atom in an atomic clock beats over nine billion times a second.
43
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310