Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Hot water can freeze faster than cold water.
181
Sound travels fifteen times faster through steel than through air.
134
The force of a suction cup is calculated using F=AP.
15
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108