Why are rainbows curved?

Why are rainbows curved? Why do you get double rainbows? Why are accents in Australia, England and America so different? Is a warp drive possible? Plus, the difference between good and bad cholesterol. Like this podcast? Please help us by supporting the Naked Scientists

Om Podcasten

How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe's blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!