In 1972, the US meteorologist Edward Lorenz asked a now-famous question: "Does the flap of a butterfly's wings in Brazil set ...
A Monarch butterfly born in Canada will fly more than 3,000 miles to Mexico, across land it has never seen. Its journey is filled with peril, many never make it and those that do will never return.
Welcome to the kaleidoscopic world of the butterfly wing. How do butterflies and moths (known collectively as Lepidoptera) make use of their vibrant wing patterns? Why are some species experts in ...