Is there life elsewhere in the universe, or in the solar system? Methane on Mars suggests life, but: > > http://sciencenow.sciencemag.org/cgi/content/full/2009/805/2 > > > And on a much lighter note: > > http://www.newscientist.com/special/ten-mysteries-of-you > > But I have watched my dogs dreaming, leg movements and soft barks while sleeping. - And to explains the brain's plasticity: - http://www.sciencedaily.com/releases/2009/08/090805133013.htm