MISSING, OR SLEEPING? During a lunchtime conversation in 1950 , Enrico Fermi, the “architect of the nuclear age” who built the world’s first nuclear reactor, posed a question that has resulted in decades of research and hundreds of published papers: “Where is everybody?” This is the crystallization of the paradox he perceived (now known as the Fermi Paradox) which questions, “If the universe is large enough to have more than sufficient opportunity to create more life than what we see on earth, why haven’t we met that alien life yet?” Scientists, like Anders Sandberg , an Oxford neuroscientist, and Milan Ćirković , part of the Astronomical Observatory of Belgrade, have used this as a jumping-off point in their attempts to debunk — or defend — the possibility of extraterrestrial civilizations. Sandberg and Ćirković teamed up with Stuart Armstrong , an AI expert at the Future of Humanity institute, to author a new paper arguin...
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How should Barcelona line up against Getafe? Barcelona are back in action on Sunday with Getafe the visitors to Camp Nou in La Liga. Ernesto Valverde has plenty of decisions to make regarding his starting line-up, particularly in defence, so let’s have a look at who might start. Defence The main question is who will play in central defence on Sunday. Samuel Umtiti is suspended and Thomas Vermaelen will miss out due to injury. That leaves Valverde with just one fit senior centre-back in Mina who should make his full debut. Alongside him the options are either Lucas Digne, Gerard Pique (who is in squad) or even Sergio Busquets. Although he could of course also switch to a back three. At full-back it’s once again between Sergi Roberto and Nelson Semedo on the right with Jordi Alba on the left and Marc-Andre ter Stegen back in goal. Midfield Into midfield and Philippe Coutinho will be hoping for a start having been a goalscoring substitute in midweek. He...
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