Answering all your cosmic conundrums this week are Drs Chris, Dave and Phil who discuss why blood is red, the size of the ozone hole, how to make magnets, the best way to get rid of excess mucus, and sticking with the gooey theme, Adam Summers discusses how some tarantulas keep a firm hold on the ground by producing sticky silk from their feet. Moving much further away from terra firma, New Horizons scientist Hal Weaver talks about the mission to Pluto, what they hope to find there and why the Kuiper Belt objects are so intriguing, and in Kitchen Science, Derek Thorne and Hugh Hunt carry out... Like this podcast? Please help us by supporting the Naked Scientists

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“What did the council decide on item 42?” — answered with the speaker and the moment.