Does jumping inside a plummeting lift prior to impact prevent a fatal fall? What causes echoes on phones? Are trees actually net oxygen consumers? Why do my ice cubes grow stalagmites? Why do farts deployed underwater have a worse whiff? Why can't we split carbon dioxide and use the oxygen? What's the story about the first artificial windpipe grown from a patient's own cells? Join Dr Chris for this week's round up of science questions and trivia on Talk Radio 702.
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