Desert ants have a nifty way of finding their way back home after a foray out of the nest to find food -- they count their steps. To prove it, some scientists devised a creative experiment that showed just how the little guys do it. NPR's Robert Krulwich and Odd Todd explain.+ More details
A montage of sights and sounds etched into a record, then launched into space on the Voyager probe.+ More details
This week's Radiolab podcast includes three episodes of 99% Invisible and an interview with it's host, Roman Mars.+ More details
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