Pictures of the day: 6 July 2012 These bizarre jellyfish-like beings were dreamt up by a British scientist as an example of life 'not as we know it'. This is what evolution might have come up with on a world such as Saturn's moon Titan, Dr Maggie Alderin-Pocock believes. She envisages creatures that float through clouds of methane, scooping chemical nutrients into their gaping mouths. The aliens keep themselves aloft by means of dangling onion-like buoyancy bags, and communicate with pulses of light.Picture: Eden's Science Month/PA