The Khan Academy happened almost by accident. It all started when its creator, Salman Khan, made a video tutorial for his cousins. You can find out what happened after that by watching this video. Khan, quite rightly, received a long standing ovation, and I must admit I haven't been so thrilled about education since Sir Ken Robinson's talk. Khan's ...

Arthur C. Clarke said, 'When you've got interest, you have education'. But, if you have interest, can you educate yourself without the guidance of a teacher?Sugata Mitra thinks that children are quite capable of educating themselves, given the right tools, without the aid of teachers, and he proves it by his hole-in-the-wall experiments. Watch him ...