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View it online     Discover more with the BBC   What if everyone in the world planted a tree? Five ways to distraction-proof your mind     Why do we binge-watch (and is it actually good for us)?     The under-appreciated beauty of Brutalism How we became obsessed with UFOs     The pros and cons of consensual non-monogamy     What if all the wasps disappeared? How well do you know Gandhi?     What do blind people see when they dream?     Is your pension contributing to climate change? Three ways you can spot a conspiracy theory     An A-Z of living through tough times     Still curious? Find more videos online Can’t watch right now? Not to worry, hit the 'Add to saved videos' button and it will be ready and waiting for you in your 'My Ideas' list, so you can come back and enjoy it later.

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