Sound travels fifteen times faster through steel than through air.
134
Hot water can freeze faster than cold water.
181
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists are now able to grow 'beating' heart tissue in a lab!
162