While we can detect 10 million unique colours, we are all colour blind from birth.

While we can detect 10 million unique colours, we are all colour blind

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A quarter of the bones in your body are in your feet

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Even if no one in the past few generations of your family had blue or

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Your eyes are about 1 inch across and weigh about 0.25 ounce

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Your eyes can distinguish approximately 10 million different colors

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The scrotum – which holds sperm – sits outside a man’s body. This is

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When you swallow, your food travels down your oesophagus to your stomach