Learn about why the marijuana classifications of indica and sativa aren’t based in science; how clean your washing machine really gets your clothes; and why researchers staged sword fights to learn about the Bronze Age.

Indica and sativa marijuana classifications aren't based in science by Andrea Michelson

• Naftulin, J. (2020, April 20). There is no difference between the effects of indica and sativa marijuana strains, scientists say - Insider. Insider; Insider. https://www.insider.com/why-theres-no-difference-between-indica-and-sativa-marijuana-strains-2020-4
• Lhooq, M. (2020, April 20). How to Get Into Weed While You’re Self-Isolating. Vice; vice. https://www.vice.com/en_us/article/939p75/beginners-guide-to-weed-self-isolation-pandemic
• Erkelens, J. L., & Hazekamp, A. (2014). That which we call Indica, by any other name would smell as sweet. Cannabinoids 2014; 9 (1): 9-15. https://bedrocan.com/wp-content/uploads/2014-that-which-we-call-indica-by-any-other-name-hazekamp-erkelens.pdf
• Hillig, K. W. (2005). Genetic evidence for speciation in Cannabis (Cannabaceae). Genetic Resources and Crop Evolution, 52(2), 161–180. https://doi.org/10.1007/s10722-003-4452-y

How clean are clothes from the washing machine? by Ashley Hamer (Listener question from Kathleen)

• Schirber, M. (2018). Rinsing is Key to Removing Stains. Physics, 11. https://physics.aps.org/articles/v11/28#c1
• Casanova, L. M., Jeon, S., Rutala, W. A., Weber, D. J., & Sobsey, M. D. (2010). Effects of Air Temperature and Relative Humidity on Coronavirus Survival on Surfaces. Applied and Environmental Microbiology, 76(9), 2712–2717. https://doi.org/10.1128/aem.02291-09
• Curley, C. (2019, October 6). Your Washing Machine Can Be a Home for Bacteria — What You Should Know. Healthline; Healthline Media. https://www.healthline.com/health-news/are-bacteria-hiding-in-your-washing-machine
• CDC. (2020, February 11). Cleaning And Disinfecting Your Home. Centers for Disease Control and Prevention. https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/disinfecting-your-home.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fprepare%2Fdisinfecting-your-home.html
• Truini, J. (2016, November 29). How To Clean Your Washing Machine. Popular Mechanics; Popular Mechanics. https://www.popularmechanics.com/home/interior-projects/how-to/a23624/how-to-clean-washing-machine/

Researchers staged sword fights to learn how fighters used their Bronze Age swords by Kelsey Donk

• Sword-wielding scientists show how ancient fighting techniques spread across Bronze Age Europe. (2020, April 17). Sword-wielding scientists show how ancient fighting techniques spread across Bronze Age Europe. Science | AAAS. https://www.sciencemag.org/news/2020/04/sword-wielding-scientists-show-how-ancient-fighting-techniques-spread-across-bronze-age
• Fox, A. (2020, April 21). Scientists Stage Sword Fights to Study Bronze Age Warfare. Smithsonian Magazine; Smithsonian Magazine. https://www.smithsonianmag.com/smart-news/en-garde-scientists-stage-sword-fights-study-bronze-age-warfare-180974705/
• Hermann, R., Dolfini, A., Crellin, R. J., Wang, Q., & Uckelmann, M. (2020). Bronze Age Swordsmanship: New Insights from Experiments and Wear Analysis. Journal of Archaeological Method and Theory. https://doi.org/10.1007/s10816-020-09451-0

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