Forget the Hollywood survival stories — what would we really have to do to survive after a catastrophe? Scientist Lewis Dartnell, author of The Knowledge: How to Rebuild Our World from Scratch, discusses what would happen if a global disaster meant we had to start from scratch — and most of us couldn't make a pencil let alone an iPad.Forget the Hollywood survival stories — what would we really have to do to survive after a catastrophe? Scientist Lewis Dartnell, author of The Knowledge: How to Rebuild Our World from Scratch, discusses what would happen if a global disaster meant we had to start from scratch — and most of us couldn't make a pencil let alone an iPad.
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