A ball of glass will bounce higher than a ball made of rubber.
73
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Sound travels about 4 times faster in water than in air.
408
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Most dust particles in your house come from dead skin.
48