I watched a bunch of PSAs from the 1940s. Here's what I learned.

Nestled in these quaint, hilariously outdated educational videos are health tips that stand up to today's scientific standards

Stills from health and hygiene PSA videos from the 1940s and 1950s

To watch the videos mentioned in this podcast, and thousands more, visit the Prelinger Archives, hosted at the Internet Archive.

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Lindsey Kratochwill

Lindsey Kratochwill is a digital production assistant at TheWeek.com where she edits podcasts and videos. She also co-hosts a podcast for Popular Science and has written for Popular Science, Fast Company, and The Guardian, among other publications. She's an unapologetic science nerd and an apologetic Floridian.