Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Out of all the senses, smell is most closely linked to memory.
146
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
For every gallon of sea water, you get more than a quarter pound of salt.
45
Sound at the right vibration can bore holes through a solid object.
134
The only letter not appearing on the Periodic Table is the letter "J".
180