According to studies, men change their minds two to three times more often than women.
72
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One cubic foot of gold weighs more than 1,200 pounds!
78
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Iron weighs more after it rusts.
68
Sound at the right vibration can bore holes through a solid object.
134
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101