Festive Q&A: Rubies, Robots and Christmas 'Rapping'
5 Live Science Podcast - A podcast by BBC Radio 5 Live - Sundays
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This week, your Christmas science questions and a sprinkling of festive fun as Julia Ravey hears about a planet where it rains rubies, robots that feel pain, a crab with a hairy chest, and how to make a top science rap hit!Get the podcast from the BBC Sounds app.