Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Sound travels about 4 times faster in water than in air.
408
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A 'jiffy' is an actual unit of time for 1/100th of a second!
66