What causes double rainbows?
Nov 09, 2018•21 min•Ep. 443
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Episode description
What is deja vu? Why do certain magnets attract? Why do tea stains form in a ring? Can you scientifically work out someone's date of birth? How does mercury and lead stay in your body? Do mermaids exist? Do helium balloons defy gravity? What causes a double rainbows? Why does oxidised cholesterol cause heart attacks? Plus the life saving backpack for bees! Like this podcast? Please help us by supporting the Naked Scientists
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