Ancient gum preserves genome, a living robot, wolf puppies play fetch, rattlesnakes skin holds raindrops for drinking, science of imagination and quiet snow.
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Ancient chewing gum reveals reveals identity of chewer and what she ate; Scientists create a robot made entirely of living cells; Wolf, fetch! How scientists discovered a ‘domesticated’ trait in wolves; Rattlesnakes have skin that's sticky for raindrops so they can sip from their scales; Exploring the science of imagination, so we can build a creative computer; Why does a snowfall damp sound so well?
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