The 'OK' symbol means 'pay me' in Japan.

                                 Some musicians that have amnesia still remember how to play an instrument.

                                                                        A black hole could weight as much as 10 billion suns.

                                                                      Pumice is the only rock that can float.

                                             Studies show that painting your room blue makes you more creative.
 

                                                             A long time ago a lake the size of England was in the Sahara desert.

                                                            If put in water the planet Saturn would float.