How Electric Light Changed the Night | Deep Look (YouTube)

How Electric Light Changed the Night | Deep Look (YouTube)

Artificial light makes the modern world possible. But not all kinds of light are good for us. Electric light has fundamentally altered our lives, our bodies and the very nature of our sleep.

https://www.youtube.com/watch?x-yt-cl=84503534&x-yt-ts=1421914688&v=Mllam3nKTv4

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Romance Books by Brenda Kennedy (Some Free)

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