A special question and answer edition of the show where the team get to grips with your queries, including, do hairs know they've cut? Is someone who sweats sooner fitter? How do noise-cancelling headphones work? How do we know what's inside Earth? Why are there no whale-sized insects? Does protein suppress appetite? And could there be a planet with a green atmosphere? Like this podcast? Please help us by supporting the Naked Scientists)
