The 10 Most Shared News Stories of 2013
From animals that regrow body parts to photos of the supermoon, these stories surprised and delighted our readers the most.
Which stories from 2013 inspired you the most? Let us know in the comments. And while you're at it, check out National Geographic's Year in Review.
One of the oldest known birds, Jeholornis, lived in what is today China. Scientists had previously thought it had one long tail, but new evidence suggests it had two.
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