Lights Out

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Why does it get dark at night? The answer might be more complicated than you think.

Ye Olde Debunking of the Day

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TIL: the letter y in "ye olde" was actually printers' shorthand for the letter "thorn," pronounced "th." So, it's not technically "yee olde" after all -- although it's more fun to say it that way.

If anybody needs me, I'll be at ye olde apothecary.

[minutephysics.]