Maybe it was a viral pandemic, or an asteroid strike, or perhaps nuclear war. Whatever the cause, the world as we know it has ended and you and the other survivors must start again. What key knowledge would you need to start rebuilding civilization from scratch? This episode of Gweek is brought to you by stamps.com.

In each episode of Gweek, Dean Putney and I invite a guest to join us in a discussion about recommended media, apps, and gadgets. Our guest this week is Dr. Lewis Dartnell. He's a research scientist, presenter and author based in London, UK. His latest book is The Knowledge: How to Rebuild our World from Scratch.

Learn more about The Knowledge.

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