Leeches in Medicine, Potty Training Cows, the Math of Eggs

Learn about the medical history of using leeches; potty training cows to help the environment; and the math behind eggs.

More from zoologist Bill Schutt:

• Pick up "Pump: A Natural History of the Heart" https://www.workman.com/products/pump
• Website: https://billschutt.com/
• Follow @BillSchuttBooks on Twitter: https://twitter.com/BillSchuttBooks
• Facebook: https://www.facebook.com/BillSchutt1/

Potty training cows can help the environment by Steffie Drucker

• BORENSTEIN, S. (2021, September 13). No bull: Scientists potty train cows to use “MooLoo.” ABC News; ABC News. https://abcnews.go.com/Weird/wireStory/bull-scientists-potty-train-cows-mooloo-79991165
• Dirksen, N., Langbein, J., Schrader, L., Puppe, B., Elliffe, D., Siebert, K., Röttgen, V., & Matthews, L. (2021). Learned control of urinary reflexes in cattle to help reduce greenhouse gas emissions. Current Biology, 31(17), R1033–R1034. https://doi.org/10.1016/j.cub.2021.07.011
• Researchers are toilet-training cows to reduce ammonia emissions caused by their waste. (2021, September 13). EurekAlert! https://www.eurekalert.org/news-releases/927878

Scientists have uncovered the mathematical formula for the shape of an egg by Briana Brownell

• Research finally reveals ancient universal equation for the shape of an egg. (2021, August 31). News Centre - University of Kent. https://www.kent.ac.uk/news/science/29620/research-finally-reveals-ancient-universal-equation-for-the-shape-of-an-egg
• Narushin, V. G., Romanov, M. N., & Griffin, D. K. (2021). Egg and math: introducing a universal formula for egg shape. Annals of the New York Academy of Sciences. https://doi.org/10.1111/nyas.14680
• Who Laid The First Egg? Scientists Move A Step Closer To Linking Embryos Of Earth’s First Animals To Adult Form. (2021). ScienceDaily. https://www.sciencedaily.com/releases/2004/11/041104005307.htm

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Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/leeches-in-medicine-potty-training-cows-the-math-of-eggs

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