A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average temperature at 40,000 feet above sea level is -60 F.
56
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Aluminum used to be more valuable than gold!
84
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The smell of freshly cut grass is actually a plant distress call.
31
Nearly 50% of the world's scientists are assigned to military projects.
71