During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Iron weighs more after it rusts.
16
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65