In zero gravity, a candle's flame is round and blue.
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
One cubic foot of gold weighs more than 1,200 pounds!
78
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Out of all the senses, smell is most closely linked to memory.
146
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3