Today we discuss how recycling used personal protective equipment can make stronger concrete, a rise in ADHD symptoms among male weightlifters who take steroids, and the battle of the sexes among male and female butterflies!

PPE Concrete

• “PPE can be recycled to make stronger concrete” by Gosia Kaszubska and Will Wright
  • https://www.rmit.edu.au/news/all-news/2022/august/ppe-concrete
• “Recycled PPE could strengthen concrete” by The Engineer
  • https://www.theengineer.co.uk/content/news/recycled-ppe-could-strengthen-concrete

Steroid Use and ADHD 

• “ADHD symptoms and use of anabolic androgenic steroids among male weightlifters” by Emilie Kildal, Bjørnar Hassel & Astrid Bjørnebekk
  • https://www.nature.com/articles/s41598-022-12977-w#:~:text=AAS%20use%20among%20weightlifters%20is,drug%20prevention%20strategies%20in%20sports.
• “ADHD symptoms are more prevalent in male weightlifters who use steroids, study finds” by Patricia Y. Sanchez
  • https://www.psypost.org/2022/08/adhd-symptoms-are-more-prevalent-in-male-weightlifters-who-use-steroids-study-finds-63795

Butterfly Chastity

• “In butterfly battle of sexes, males deploy ‘chastity belts’ but females fight back” by Halle Marchese and Natalie van Hoose
  • https://www.floridamuseum.ufl.edu/science/male-butterflies-deploy-chastity-belts/
• “Is Sexual Conflict a Driver of Speciation? A Case Study With a Tribe of Brush-footed Butterflies” by Ana Paula S Carvalho, Ryan A St Laurent, Emmanuel F A Toussaint, Caroline Storer, Kelly M Dexter, Kwaku Aduse-Poku, and Akito Y Kawahara
  • https://academic.oup.com/sysbio/article/70/3/413/5901062?login=false
• “Ruff Sex: A Chastity Belt for Dogs” by Buck Wolf
  • https://web.archive.org/web/20110410200915/http://www.aolnews.com/2010/02/08/ruff-sex-a-chastity-belt-for-dogs/

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Find episode transcripts here: daily-4e53644e.simplecast.com/episodes/ppe-concrete-steroid-use-and-adhd-butterfly-chastity">https://curiosity-daily-4e53644e.simplecast.com/episodes/ppe-concrete-steroid-use-and-adhd-butterfly-chastity