A ball of glass will bounce higher than a ball made of rubber.
73
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Your brain is 80% water.
525
Out of all the senses, smell is most closely linked to memory.
146
Each day, up to 150 species of life become extinct.
-23
The average home creates more pollution than does the average car.
33
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39