Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44
Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
21
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
You burn 26 calories in a one minute kiss.
605
There are 2,500,000 rivets in the Eiffel Tower.
98
Sunflowers can be used to clean up radioactive waste.
17