Switch to the dark mode that's kinder on your eyes at night time.

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Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

This Day in History: 1846-10-16

(October 16, 1846)
William Thomas Green Morton demonstrated the use of ether as a general anaesthetic for the first time in front of a group of physicians at Massachusetts General Hospital in Boston.
photo source: wikimedia.org

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