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
Aluminum used to be more valuable than gold!
84
For every gallon of sea water, you get more than a quarter pound of salt.
45
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One ragweed plant can release as many as one billion grains of pollen!
51