Nearly 50% of the world's scientists are assigned to military projects.
71
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20