TED Talk: Charles Anderson discovers dragonflies that cross oceans

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http://www.ted.com While living and working as a marine biologist in Maldives, Charles Anderson noticed sudden explosions of dragonflies at certain times of year. He explains how he carefully tracked the path of a plain, little dragonfly called the globe skimmer, only to discover that it had the longest migratory journey of any insect in the world.

TED Talk: Charles Anderson discovers dragonflies that cross oceans official