It takes more muscles to frown than it does to smile - around 43 grumpy muscles to 17 happy ones!

It takes more muscles to frown than it does to smile – around 43 grumpy

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Human Body Facts

When you were born you had blue eyes. It was only after exposure to

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When you read or stare at a computer, you blink less often resulting in

Human Body Facts

Just behind our pupil is the lens – which is round, flat and thicker

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

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People with blue eyes are more sensitive to pain than others

Human Body Facts

Your eyes are comprised of rods and cones. Rods allow you to see shapes,