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Hank Green, Siri Riley and Sam Schulz answer your questions about the latest episode of SciShowTangents. They also talk about a new movie inspired by true events that took place in 1985. And they learn how to spit out animal dung using just a rock.

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You need to clean a smudge of your glasses? Use some spit! Gotta make some food moist so you can swallow it? Why not try spit? Lips too dry to whistle a tune? My friend, spit is the bodily excretion for you! Spit: don't leave home without it!

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While you're at it, check out the Tangents crew on Twitter: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

[Trivia Question]

Minor salivary glands

https://www.smithsonianmag.com/smart-news/researchers-may-have-discovered-new-organ-set-salivary-glands-hidden-your-head-180976104/

[Fact Off]

Bowerbird making “paint” out of saliva

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3996615/

https://onlinelibrary.wiley.com/doi/abs/10.1111/j.2005.0908-8857.03549.x

https://www.sciencedirect.com/science/article/abs/pii/S0003347213001097?via%3Dihub