Dung beetles use light from the Milky Way to roll their balls of precious dung out of the way of competitors, scientists reported on Friday.
Even though they have just a tiny brain and weak eyes, the beetles use the progressive gradient of light in the skies, provided by the galaxy's mass of stars, to ensure they roll the balls in a straight line and do not circle back to rivals at the dung pile.
In an unusual experiment, biologists at South Africa's University of the...read more here: Dung beetles use Milky Way light for dung ball navigation

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