Sound travels about 4 times faster in water than in air.
408
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
German chemists made a replica of a trophy the size of one molecule.
68
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists in Germany have developed a candy that doesn't cause cavities.
11