A cesium atom in an atomic clock beats over nine billion times a second.
43
Each day, up to 150 species of life become extinct.
-23
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The average home creates more pollution than does the average car.
33