One cubic foot of gold weighs more than 1,200 pounds!
78
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
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