From Jenna Orkin 10 barges, including one carrying methanol, break free from a tugboat on the Ohio River Elon Musk and top AI researchers call for pause on ‘giant AI experiments’ Strikes Cripple France’s Fuel Supply How Silicon Valley helps spread the same sterile aesthetic across the world An 'ultramassive' black hole has been discovered that's 33 billion times the mass of the sun He came to D.C. as a Brazilian student. The U.S. says he was a Russian spy. What We Still Don’t Know About How A.I. Is Trained The internet is about to get a lot safer Police: Nashville shooter was under a doctor’s care for ‘emotional disorder’ Meatball from long-extinct mammoth created by food firm Exclusive: Australian company resurrects flesh of lost species to demonstrate potential of meat grown from cells