Zelenskyy rejected the China-Brazil six-point plan to end Russia's war and questioned'true' intent. Ukrainian President Volodymyr Zelenskyy took to the podium at the 79th United Nations General Assembly (UNGA) for the third time since Russia's deadly invasion began more than two and half years ago, though this time he took direct aim at nations aiding Moscow: China, North Korea and Iran. Zelenskyy – who has long toed the line when it comes to maintaining murky geopolitical relations amid the war – for the first time called out not only the nations supplying direct arms to Moscow, but those who have remained complacent in their refusal to back Ukraine's demands that Russian President Vladimir Putin withdraw his troops. "We need to make it clear the war is over. This is the peace formula – what part of this could be unacceptable to anyone who upholds the U.N. Charter?" he questioned.

Could artificial intelligence upend concepts of nuclear deterrence that have helped spare the world from nuclear war since 1945? Stunning advances in AI--coupled with a proliferation of drones, satellites, and other sensors--raise the possibility that countries could find and threaten each other's nuclear forces, escalating tensions. Lt. Col. Stanislav Petrov settled into the commander's chair in a secret bunker outside Moscow. His job that night was simple: Monitor the computers that were sifting through satellite data, watching the United States for any sign of a missile launch. It was just after midnight, Sept. 26, 1983.

The common conception of a technologically enabled apocalypse foresees a powerful artificial intelligence that, either deliberately or by accident, destroys human civilization. But as a new report from the RAND Corporation points out, the reality may be far subtler: As AI slowly erodes the foundations that made the Cold War possible, we may find ourselves hurtling towards all-out nuclear war. There's a "significant potential" for artificial intelligence to undermine the foundations of nuclear security, according to a new report published today by the RAND Corporation, a nonprofit, nonpartisan research organization. This grim conclusion was the product of a RAND workshop involving experts in AI, nuclear security, government, and military. The point of the workshop, which is part of RAND's Security 2040 project, was to evaluate the coming impacts of AI and advanced computing on nuclear security over the course of the next two decades.

The 2015 ACM A.M. Turing Award recognized work I did 40 years ago, so it is understandable that my interests have changed significantly, with my most recent project being a book, A New Map for Relationships: Creating True Love at Home & Peace on the Planet, co-authored with my wife Dorothie. While, at first glance, the book might seem to have nothing in common with my work on cryptography, my Turing Lecture drew a number of parallels I will bring out in what follows. The story starts in March 1975, when the U.S. National Bureau of Standards (NBS), now known as the National Institute of Standards and Technology (NIST), proposed a Data Encryption Standard (DES) to protect unclassified but sensitive data. Whitfield Diffie, with whom I shared the Award, and I quickly realized that DES's 56-bit key size was inadequate and needed to be increased.

Britain Prime Minister David Cameron warned Western leaders Friday the Islamic State plans to use drones to spray nuclear material over Western cities. The UK Daily Telegraph reported that there is growing concerns among world leaders that extremists are looking to buy commercial drones to launch a dirty bomb attack over major metropolitan cities, which could kill thousands. Cameron warned the dangers of ISIS getting hold of nuclear material were "only too real." He met with leaders from the U.S., France and China to plan out a reaction response to such an attack, the newspaper reported. US officials reportedly fear that extremists could steal radioactive material from a medical facility and sold through the "dark web." Cameron said he would deploy counterterrorism police and the UK Border Force while British leaders hold a Cobra meeting.