A godfather of AI is among hundreds of tech bosses and academics calling for a treaty to avoid the “catastrophic” risk to humanity. On the eve of the AI Safety Summit in Britain, Yoshua Bengio has signed an open letter warning the danger “warrants immediate and serious attention”. The letter cites a survey that found over half of AI researchers estimate there is more than a 10 per cent chance that advances in machine learning could lead to human extinction. Among the signatories is one of China’s leading AI academics, Yui Zeng, a representative of Beijing who is set to...