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The 17th century saw the invention of glass windows.

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Before that, people used flattened animal horns to create windows.

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Researchers cast dead bodies

Stained Glass

An English Stained Glass Tradition

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The Longest someone has gone without sleep is 11 days and 25 minutes

Tokyo

In Tokyo, English is not widely spoken.

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Anxiety Disorders Increase Risk Of Health Complications

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Earth has more than 60,000 known tree species

cashew trees

Cashew trees grow in tropical climates.

 Pompeii

Pompeii is Now recognised as a World Heritage Site by UNESCO

 immune system

Our body's immune system is destroyed by antibiotics.

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There are a lot of strange dictionaries out there.

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In the UK, a majority of automobile trips are under five miles.

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Did you Know? Bananas glow blue under black lights

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Did you Know? Evil eye is the most common superstition among Greeks.

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Airplane air is significantly drier than any you might experience on earth.

Ashwagandha

The Meaning of "Ashwagandha"

 tooth

The number of roots on each tooth varies as well.

Halibut

Halibut Is It A Flat Fish?

Immune

70% Of Our Immune Response Is Due To Probiotics

taste buds

Picky eaters have the potential to be "supertasters."

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The Spaniards tend to speak loudly

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Dolores Umbridge Finally Went To Azkaban

Vision Boards

Vision Boards Increase Productivity

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Did you Know? Lagaan has more British actors than the lead cast

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Did you Know? Russia has the world's longest railway.

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Sylvia Plath's father died when she was eight, and this experience inspired much of her work.