Motion sickness is also known as travel sickness, sea sickness or air sickness. It can happen in a number of situations, not all of which involve movement, and is a very unpleasant sensation. As part of our Have You Ever Wondered series, our Science Editor Sam finds out what causes motion sickness, and if there is anything you can do to prevent it.
In 1800s a man called Ignatius Donnelly wrote a bestselling book called Atlantis, the Antediluvian World. After studying flood history, Ignatius put forward the suggestion that Atlantis was not fiction, but the recording of a natural disaster.
Most modern academics insist that Plato created the story, and was perhaps inspired by events that happened during his lifetime, but that the island never existed.
The subject of dreams, of magical tales and many a search, Atlantis has long captured our imagination. But where did all of this spring from?
