Geoffrey Hinton, known as the "godfather of AI," has raised his estimate of the chance of AI leading to human extinction from 10% to 20%. Speaking on BBC Radio 4, he emphasized the need for stricter AI safety measures. Hinton, who resigned from Google to voice his concerns, criticized uncontrolled AI development, highlighting internal struggles at OpenAI over safety versus profit. His warnings underscore the urgency for ethical guidelines in AI's rapid evolution.