Iron weighs more after it rusts.
68
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Your brain is 80% water.
525
One ragweed plant can release as many as one billion grains of pollen!
51
Sound travels about 4 times faster in water than in air.
408
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The storage capacity of human brain exceeds 4 Terrabytes.
140
Nylon is made from coal and petroleum.
42