Discover more with the BBC

Discover more with the BBC Three tips from a top tech entrepreneur Why the world needs disagreeable people     How your phone can save your life     Chocolate: An orgy-filled history Why the phrase 'man up' is so destructive     The ancient history of the modern hamburger     We are the DIY generation The joy of having ADHD     How to be a top human rights lawyer     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. Still curious? Find more videos online

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