Pumice is the only rock that floats on water.
14
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Out of all the senses, smell is most closely linked to memory.
146
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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