Another scientist chooses his personal seven wonders.
Thomas Eisner , Professorof
Biology at Cornell University, is a world expert on insectdefence systems and his wonders include the Bombardier beetle, the love-song of the mosquito and the stereo microscope, which provides such afascinating view of nature that he wishes everyone in the world could look through one. Introduced by Sue Lawley . Producer Christopher Sykes
Executive producer Dana Purvis