"Indelible pencils" or copying pencils were popular for a time in the 1870s because they made it possible to easily make copies of handwritten documents. Which would have been great — except they turned out to be poisonous. 

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Indelible Pencils

Fascinating fodder to fuel your next trip down a Wikihole. New episode every Sunday! Brought to you by Water Cooler Trivia (watercoolertrivia.com). *Content Warning* Language, comic mischief, &amp; weird stuff!  Support this podcast: https://podcasters.spotify.com/pod/show/letmegooglethat/support

History

Society & Culture

Epidemiologists use statistics to track outbreaks. One important value to know is the R₀ — for measles, it's 12-18. Ebola is like ~1.5.
Let Me Google That is sponsored by ⁠⁠Water Cooler Trivia⁠⁠!



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Wait, Didn't We Eliminate Measles?

Is the character of Mother Goose based on a real person? (Or a real goose?)
Let Me Google That is sponsored by ⁠⁠Water Cooler Trivia⁠⁠!



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Who Was Mother Goose?

Spoiler: Um, yeah. 
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Can You Work Yourself to Death?

It's #DNADay! Let's talk about a DNA structure that's *not* the classic double helix: the i-motif! Which kind of looks like a uterus. . .
Let Me Google That is sponsored by ⁠⁠Water Cooler Trivia⁠⁠!



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The *Other* DNA Structure 

Call in with your best vanity plate idea!


Let Me Google That is brought to you by Water Cooler Trivia!

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Indelible Pencils

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