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Podcast for 7 December 2012

December 7, 2012

Male and female superb fairy wrens care for their offspring together. The female sings to the eggs in the nest. If a chick produces the wrong begging call based on that song, the parents reject it. (© Arthur Chapman/Flickr)

ARE YOU WREN ENOUGH? Why fairy wrens require their babies to show ID, how coral reefs ask for help, and how one microscopic animal patches itself up with borrowed genes. Also: Host Bob Hirshon went down to NASA Headquarters to report on the discovery of water on the planet Mercury.

Transcript

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