Iron weighs more after it rusts.
68
According to studies, men change their minds two to three times more often than women.
72
Aluminum used to be more valuable than gold!
84
No matter how cold it gets, gasoline will not freeze.
107
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Each day, up to 150 species of life become extinct.
-23
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6