The 20 online talks that could change your life

Tom Meltzer: 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

Psychiatrists: the drug pushers

Is the current epidemic of depression and hyperactivity the result of disease-mongering by the psychiatric profession and big pharma, asks Will Self. Does psychiatry have any credibility left at all?