Why the US Military Made Shark Repellant, Why Moths Are Drawn to Lights, and the Difference Between Mummies and Fossils

To wrap up our Shark Week coverage, learn about why the US military tried to develop "Shark Chaser" shark repellent during World War II. Then, learn about the leading theories explaining why moths are drawn to lights; and the difference between mummies and fossils.

Get even more from Shark Week 2020 on Discovery’s Daily Bite Podcast: https://www.discovery.com/shark-week/everything-you-need-to-know-about-the-daily-bite-podcast

During WWII, the US military tried to develop shark repellant by Cameron Duke

• Foley, K. E. (2018, July 27). Shark Week 2018: The US Navy developed a “shark repellant” during WWII. Quartz. https://qz.com/1341175/the-us-navy-developed-a-shark-repellant-during-wwii/
• Julia Child and the OSS Recipe for Shark Repellent — Central Intelligence Agency. (2015). Cia.gov. https://www.cia.gov/news-information/featured-story-archive/2015-featured-story-archive/shark-repellent.html
• Delano Samuels, & Orwig, J. (2016, July). Here’s what the US Navy learned about shark attacks during World War II - Business Insider. Business Insider; Business Insider. https://www.businessinsider.com/the-us-navy-developed-a-shark-repellent-2016-6
• Roach, M. (2017). Grunt: The Curious Science of Humans at War. Oneworld.
• American Chemical Society. (2020, January 13). The US Government Issued Sailors and Soldiers Shark Repellent That Didn’t Work – Here’s Why [Video]. SciTechDaily. https://scitechdaily.com/us-government-issued-sailors-and-soldiers-shark-repellent-that-didnt-work-heres-why-video/
• Spaceflight and Surviving Shark Attacks. (2018, July 24). National Air and Space Museum. https://airandspace.si.edu/stories/editorial/spaceflight-and-surviving-shark-attacks

We still don't know why moths are drawn to lights by Grant Currin

• Wolchover, N. (2011, March 25). Why Are Moths Drawn to Artificial Lights? Livescience.com; Live Science. https://www.livescience.com/33156-moths-drawn-artificial-lights.html
• Lees, D., & Zilli, A. (2019, November). Why Are Moths Are Attracted To Light? Science Friday; Science Friday. https://www.sciencefriday.com/articles/why-moths-are-attracted-to-light/
• Callahan, P. S. (1977). Moth and candle: the candle flame as a sexual mimic of the coded infrared wavelengths from a moth sex scent (pheromone). Applied Optics, 16(12), 3089. https://doi.org/10.1364/ao.16.003089
• Norm MacDonald’s moth joke: https://www.youtube.com/watch?v=JUjIM-GFWhk

What's the difference between a mummy and a fossil? by Ashley Hamer (Listener question from Luke)

• Clark, L. (1998, January 20). Mummies 101. PBS.org; NOVA. https://www.pbs.org/wgbh/nova/article/mummies-101/
• Asher, C. (2015, February 12). How long does fossilisation take? Curious Meerkat. http://www.curiousmeerkat.co.uk/debunking/how-long-fossilisation-take/
• Keylses, S. (2018, October 23). Do Mummies Decompose? Science Connected Magazine. https://magazine.scienceconnected.org/2018/10/do-mummies-decompose/
• Leveille, D. (2015, May 11). As Chile’s climate changes, the world’s oldest mummies are turning moldy. The World from PRX. https://www.pri.org/stories/2015-05-11/chiles-climate-changes-worlds-oldest-mummies-are-turning-moldy
• Moyer, A. E., Zheng, W., & Schweitzer, M. H. (2016). Keratin Durability Has Implications for the Fossil Record: Results from a 10 Year Feather Degradation Experiment. PLOS ONE, 11(7), e0157699. https://doi.org/10.1371/journal.pone.0157699
• Lamb, R. (2010, August 25). How can soft tissue exist in dinosaur fossils? HowStuffWorks. https://science.howstuffworks.com/environmental/earth/geology/soft-tissue-dinosaur.htm
• Wilson, T. V. (2007, December 19). How Fossils Work. HowStuffWorks. https://science.howstuffworks.com/environmental/earth/geology/fossil2.htm
• Greshko, M. (2017, May 11). This Is the Best Dinosaur Fossil of Its Kind Ever Found. Nationalgeographic.com. https://www.nationalgeographic.com/magazine/2017/06/dinosaur-nodosaur-fossil-discovery/

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/why-the-us-military-made-shark-repellant-why-moths-are-drawn-to-lights-and-the-difference-between-mummies-and-fossils

Hosted on Acast. See acast.com/privacy for more information.