http://www.theguardian.com/technology/2013/aug/27/20-online-talks-change-your-life
From TED talks to online seminars, video channels crammed with inspirational and thought-provoking lectures are educating us on everything from town planning and depression to body language, animal morality and dangers of sugar in just a few minutes. Here is our pick of the best, from Amanda Palmer on the music industry to Bertrand Russell on Christianity and Terry Pratchett on coming to terms with death.