The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
12
If the population of China walked past you, in single file, the line would never end because of the rate of reproduction.
1k
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

