If the chemical sodium is dropped into water it will immediately and violently explode.
67
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A ball of glass will bounce higher than a ball made of rubber.
73