Sullivan climbed to one of the villages near Everest Base Camp, at just over 16,500 feet, to install the device for use and ...

It was ubiquitous in the ancient world. Then, we just... forgot how to make it.

Having a blue tint to your fingernails is a condition known as cyanosis. It occurs when there isn’t enough oxygen in your blood, making the skin or membrane below the skin turn a purplish-blue ...

The "Ice Prince" burial sheds light on a toddler from a wealthy family who lived around 1,350 years ago in Bavaria, Germany.

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