Scientists in Germany have developed a candy that doesn't cause cavities.
11
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
For every gallon of sea water, you get more than a quarter pound of salt.
45
Hot water can freeze faster than cold water.
181
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
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16