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How to Make Everything Video: Veritasium Video: To learn more about CuriosityStream, go to Creator: Dianna Cowern Videography: Chris Peck, Dianna Cowern, Derek Muller and Eric Birkemeier Editing: Jabril Ashe Thanks to Dan Walsh, and congratulations on his PhD! Thanks to Kyle Kitzmiller and Unicorn Snot Subscribe to Physics Girl for more unusual phenomena and riddles. Help us translate our videos! Twitter: Facebook: Instagram: Resources and Further reading: “The Food and Drug Administration (FDA) is proposing to limit the maximum labeled SPF value for over-the-counter (OTC) sunscreen drug products to ‘‘50+.’ NYT Article on SPF 50 FDA: Understanding over the counter sunscreens Sunscreen Penetration of Human Skin and Related Keratinocyte Toxicity after Topical Application Regulatory Policy Information for the Sunscreen Innovation Act (information on FDA’s rejection of new sunscreen ingredients) NEW SIA (sunscreen innvation act): Schedule of sunscreen lettesr: FDA blog safety and effectiveness data: Sunscreen + coral reefs ”SPF 100 vs 50 study” Screenshot of “health blog” Overview of suncreen ingredients “Titanium dioxide and zinc oxide provide UV protection primarily via absorption of UV radiation and not through significant reflection or scattering.” From the FDA’s website: “Although the protective action of sunscreen products takes place on the surface of the skin, there is evidence that at least some sunscreen active ingredients may be absorbed through the skin and enter the body” In 2014, the FDA updated sunscreen ingredient proposal rules

Tags:physics,ultraviolet,uv,sunscreen,health,fda,veritasium,how to make everything,physics girl,dianna cowern,history of sunscreen,skin,hawaii sunscreen ban,science girl

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