The Strongest Material Known To Man

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Graphene is the strongest material known to man. It’s 200 times stronger than steel. It would take an elephant to break a sheet as thin as a piece of paper.

1,700 Words

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William Shakespeare is credited with the invention or introduction of over 1,700 words that are still used in English today.

The World’s Longest Road

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The world’s longest road to walk is from Cape Town, South Africa to Magadan, Russia. It’s 22,387 km/13911 mi long. Along the way, you pass thru 17 countries, 6 time zones, & all seasons of the year.

Yakhchāl 

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As early as 400 BCE, Persians engineered ancient refrigerators called Yakhchāl. They enjoyed ice in the heat of the desert.

A Baby’s First Laugh

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The Navajo have a tradition of celebrating a baby’s first laugh. After three months babies are closely watched for their first real giggle. The person who elicits the first laugh then throws them a party.