Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The only letter not appearing on the Periodic Table is the letter "J".
180
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
The storage capacity of human brain exceeds 4 Terrabytes.
140
Nylon is made from coal and petroleum.
42
One ragweed plant can release as many as one billion grains of pollen!
51
A cesium atom in an atomic clock beats over nine billion times a second.
43