Cold water weighs more than hot water.
93
Balsa wood is classified as a hard wood!
41
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
According to studies, men change their minds two to three times more often than women.
72
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The force of a suction cup is calculated using F=AP.
15
Nylon is made from coal and petroleum.
42