["Over 500 AI experts signed an open letter calling for government legislation to regulate deepfakes.", "The open letter urges the criminalization of deepfake child sexual abuse materials.", "Signatories include scholars from various fields globally, urging a comprehensive halt to the dissemination of deepfakes.", "Experts call on the government to take action in response to the growing threat of deepfakes."]

J. Robert Oppenheimer's grandson has signed an open letter warning about the threat of artificial intelligence to Earth's life. The letter was jointly issued by the 'Elders' founded by Nelson Mandela and the Institute for Future Life. It calls for urgent solutions to global threats such as pandemics and climate change, emphasizing the need for long-term leadership. The letter, endorsed by hundreds, urges a global collaborative effort to address issues related to artificial intelligence and nuclear weapons to prevent serious dangers.