Why do wires tangle?

Ask the Naked Scientists - A podcast by Dr Chris Smith - Venerdì

Why do wires tangle? Is borehole water drinkable? Does sea water evaporate? Why are there no more intelligent hominids except humans? How are mountains formed? What makes up non-stick linings on frying pan and are they safe? Plus, the Volkswagen emissions scandal. Like this podcast? Please help us by supporting the Naked Scientists

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