Frosty Roofs, Rocks from Space and UK Quakes - a podcast by Dr Chris Smith

In this week's Ask the Naked Scientists Dave sates your thirst for knowledge with a look at whether frozen water is safe to drink, divides fog from mist, shakes up the world of seismology with a look at how earthquakes occur in countries like the UK, works out why some roofs remain resolutely frost-free in winter and explains how rocks from Mars turn up on Earth. Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists

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