The force of a suction cup is calculated using F=AP.
15
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
One cubic foot of gold weighs more than 1,200 pounds!
78
Sound travels fifteen times faster through steel than through air.
134