SciShow Tangents16 Apr 2024

Turtles

Devotees of the testudines rejoice! Whether you have one as a pet, admire them at the zoo, or giggle with the rest of the internet when they rock each other off logs, chances are high, we think, that you like turtles. We like turtles! And conveniently for us, turtle science is also extremely cool, so this was basically an ideal episode to make. Enjoy!

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[Truth or Fail]

Fossilized turtle poop showing green algae feast site

https://www.eurekalert.org/news-releases/995472

https://www.science.org/content/article/sea-turtles-have-3000-year-old-routines

Crushing of fossilized turtle shells shows burial site age

https://www.nytimes.com/2022/12/26/science/turtle-shells-fossils-paleontology.html

https://pubs.geoscienceworld.org/gsa/geosphere/article/18/5/1524/616297/Crushed-turtle-shells-Proxies-for-lithification

Turtle fossil was actually a plant fossil

https://www.livescience.com/animals/120-million-year-old-plants-turn-out-to-be-ultra-rare-fossilized-baby-turtles

[Trivia Question]

Speed of a sand-digging robot modeled after a turtle hatchling

https://today.ucsd.edu/story/bot-inspired-by-baby-turtles-can-swim-under-the-sand-1

https://onlinelibrary.wiley.com/doi/full/10.1002/aisy.202200404

[Fact Off]

Chinese soft-shelled turtles (basically) pee out their mouths

https://journals.biologists.com/jeb/article/215/21/3723/19178/The-Chinese-soft-shelled-turtle-Pelodiscus

https://www.sciencedaily.com/releases/2012/10/121011090643.htm

https://www.jstage.jst.go.jp/article/aohc/63/2/63_2_181/_article

https://theconversation.com/no-overwintering-turtles-dont-breathe-through-their-butts-getting-to-the-bottom-of-a-popular-misconception-224331

Microplastics in sand mess with sea turtle sex ratios

https://www.sciencedaily.com/releases/2023/06/230623210244.htm#:~:text=Warmer%20temperatures%20are%20known%20to,before%20their%20sex%20is%20set.

https://oceanservice.noaa.gov/facts/temperature-dependent.html#:~:text=This%20is%20called%20temperature%2Ddependent,the%20hatchlings%20will%20be%20female.

[Ask the Science Couch]

Turtle communication and vocalization

https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.24553

https://www.nature.com/articles/s41467-020-14356-3

https://www.nature.com/articles/s41467-022-33741-8 https://gizmodo.com/jurassic-parks-dinosaur-sound-effects-were-actually-ani-5994278

https://www.washingtonpost.com/climate-environment/2023/01/06/turtles-eat-south-america/

[Butt One More Thing]

Collecting loggerhead sea turtle fecal samples by making them custom swimsuits

https://www.uq.edu.au/news/article/2015/10/sea-turtles-don-swimsuits-science

Pictures:

https://www.flickr.com/photos/37175871@N06/albums/72157659326105212/

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