The candle flame is blue at the bottom because of the oxygen intake and yellow at the top because it burns it there.
A pearl can be found in one of a thousand oysters, and only in one of three thousand mussels.
It is impossible to suck your own elbow.
Right-handed people on average live nine years longer than left-handed people.
It is believed that average person dreams about 1.400 times a year.
The center of the Earth is located approximately 6.440 kilometers from the surface.
