Discovering Butterfly GPS ...Scientists think is the best option

Scientists think they've discovered how Monarch butterflies manage to navigate during their 3000-mile migration. Researchers at the University of Washington and University of Massachusetts say that studying the butterfly's internal compass may have practical applications for human navigational systems. Find out more: bbc.in/butterflies Footage courtesy of the BBC Natural History Unit series "Life" and University of Massachusetts

 

... nature gift to man