Scientists often take a leaf from nature when devising inventions. Find out more and let your imagination soar:Discover how nature has inspired some great creations, from the Wright Brothers'' first aeroplane to Eiji Nakatsu''s bullet train.Meet brilliant birds, boisterous bats, and family trees as we celebrate the creatures of the sky.Explore the human and natural world, from bee discos to the design of outer-space cameras.