A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Aluminum used to be more valuable than gold!
84
The only letter not appearing on the Periodic Table is the letter "J".
180
Balsa wood is classified as a hard wood!
41
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57