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OSD 358: Our favorite OSD essays from 2025
Here’s a look back at our favorites from the past year, grouped into our favorite themes from the past year.
13 hrs ago
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OSD 357: Putting your first aid kit to the test, holiday edition
You'll need bandaids a lot more often than you'll need a nasopharyngeal airway.
Dec 25, 2025
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OSD 356: Time-to-effective-resistance
A better metric to measure your safety.
Dec 18, 2025
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OSD 355: Truck guns, front door guns, and other negative expected value bets
This week a video has been making the rounds on X of a man answering his door in the middle of the night — armed because he wasn’t expecting anyone …
Dec 11, 2025
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OSD 354: You see the infringement in your neighbor’s eye and ignore the GCA in your own
A man was arrested for having too much fun on vacation in Florida.
Dec 4, 2025
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OSD 353: Everything is a gun now
You thought *guns* were heavily regulated? Look around you.
Nov 27, 2025
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OSD 352: “Gun rights are winning and nobody has realized it”, 2025 edition
Rating our predictions from 2019.
Nov 20, 2025
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OSD 351: Demud the police
This has been floating around the internet for a while:
Nov 14, 2025
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