Hot water can freeze faster than cold water.
181
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Sound travels fifteen times faster through steel than through air.
134
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Research indicates that plants grow healthier when they are stroked.
173
According to studies, men change their minds two to three times more often than women.
72
A ball of glass will bounce higher than a ball made of rubber.
73
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79