Science Questions

Sat, 27th May 2006

Part of the show Naked Science Q&A and the Science of Happiness

Question

Ian in Northampton asked:

We kept Friesian cows for about fifteen years. Sometimes they got sunburnt but only on the white patches. Why?

Answer

White hair is basically transparent whereas a black hair is dark. The light will go straight through the white hair and straight through to the skin. However in black hair it will be absorbed by the hair.

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