At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Billions of neutrinos pass unnoticed through your body every second.
6
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Nylon is made from coal and petroleum.
42
In zero gravity, a candle's flame is round and blue.
16
The bark of an older redwood tree is fireproof.
65
According to studies, men change their minds two to three times more often than women.
72