According to studies, men change their minds two to three times more often than women.
72
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A cubic yard of air weighs about 2 pounds at sea level.
31
Out of all the senses, smell is most closely linked to memory.
146
Iron weighs more after it rusts.
68
Pure water (H2O) does not conduct electricity on its own.
46
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57