Blue eyes fact

People with blue eyes are better able to see in the dark.

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Youngest parents

The world's youngest parents were 8 and 9 and lived in China in 1910.

Breathe and swallow at the same time

Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.

Higher IQ in women

Women have a slightly higher average IQ than men.

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