Dung Beetles Use Cosmic GPS to Find Their Way

NPR | Feb. 01, 2013 10:03 a.m.

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When the sun goes down, dung beetles rely on a galactic source--light from the Milky Way--to navigate, according to a recent report in Current Biology. Study co-author Eric Warrant, of Lund University in Sweden, explains how dung beetles see the starry night sky.