by How It Works Team · 13/05/2012
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What is NATO?
Why do horses eat hay?
How do pet-calming plug-ins work?
Why do some men grow ginger beards when they don’t have red hair?
What is the maximum distance the human eye can see if unobstructed?
What are a hedgehog’s spines made of?
Why do we eat chocolate eggs at Easter?
Why did the sabre-toothed cats go extinct?
Why are most people right-handed?
What is orange juice ‘from concentrate’?
Why does polar bear fur sometimes look yellow or green?
Did American football derive from rugby?
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