Why do my eyes burn when raindrops run into them?&#160;Why can eye and hair colour change?&#160;Why do I cry when I go to the loo? Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists

Why do my eyes burn when raindrops run into them? Why can eye and hair colour change? Why do I cry when I go to the loo? Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists

Why do my eyes burn when raindrops run into them?&nbsp;Why can eye and hair colour change?&nbsp;Why do I cry when I go to the loo? Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists

Why is a cold called a cold?

Why scratch your head if you don't know the answer? What about the Earth made the dinosaurs so big? Why does the Universe spin? Is the Sun seem brighter in the morning than the evening? Are autistic people particularly at home with computers? Why do effervescent tablets fizz only in water? Why do Parkinson's patients sleepwalk without difficulty? Plus, news of a decoy molecule that can treat dwarfism and what earwax has revealed about blue whales...

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Why is a cold called a cold?

Why is a cold called a cold?