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Check out Squarespace: for 10% off on your first purchase. → Subscribe for new videos two times per week. This video is #sponsored by Squarespace. Love content? Check out Simon's other YouTube Channels: Biographics: MegaProjects: SideProjects: Casual Criminalist: Today I Found Out: TopTenz: Highlight History: XPLRD: Business Blaze: Sources/Additional Resources: Atlantic, how DNA evidence uncovered the truth of the leak: History DA, Soviet bioweapons: LA Times: Good details: NYTimes, in-depth: Washington Post, some details. BBC podcast:
