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Much of Europe and the northeast US are in store for sweltering summer temperatures well above historical norms,

Roblox Corp. reported first-quarter bookings that beat analysts’ estimates and record average daily users, even while earnings fell

ChatGPT’s creators have attempted to get the system to explain itself. They found that while they had some success, they ran into some issues – including the fact that artificial intelligence may be using concepts that humans do not have named for, or understanding of. Researchers at OpenAI, which developed ChatGPT, used the most recent version of its model known as GPT-4 to try and explain the behaviour of GPT-2, an earlier version. It is an attempt to overcome the so-called black box problem with large language models such as GPT. While we have a relatively good understanding of what goes into and comes out of such systems, the actual work that goes on inside remains largely mysterious. That is not only a problem because it makes things difficult for researchers. It also means that there is little way of knowing what biases might be involved in the system, or if it is providing false information to people using it, since there is no way of knowing how it came to the conclusions it did. Engineers and scientists have aimed to resolve this problem with “interpretability research”, which seeks find ways to look inside the model itself and better understand what is going on. That has often required looking at the “neutrons” that make up such a model: just like in the human brain, an AI system is made up of a host of so-called neutrons that represent parts of the data it uses. Finding those is difficult, however, since humans have had to pick through the neurons and manually inspect them to find out what they represent. But some systems have hundreds of billions of parameters and so actually getting through them all with people is impossible. Now, researchers at OpenAI have looked to use GPT-4 to automate that process, in an attempt to more quickly pick through the behaviour. They did so by attempting to create an automated process that would allow the system to provide natural language explanations of the neuron’s behaviour – and apply that to another, earlier language model. That worked in three steps: looking at the neuron in GPT-2 and having GPT-4 try and explain it, then simulating what that neuron would, and finally scoring that explanation by comparing how the simulated activation worked with the real one. Most of those explanations went badly, and GPT-4 scored itself poorly. But researchers said that they hoped the experiment showed that it would be possible to use the AI technology to explain itself, with further work. The creators came up against a range of “limitations”, however, that mean the system as it exists now is not as good as humans at explaining the behaviour. Part of the problem may be that explaining how the system is working in normal language is impossible – because the system may be using individual concepts that humans cannot name. “We focused on short natural language explanations, but neurons may have very complex behavior that is impossible to describe succinctly,” the authors write. “For example, neurons could be highly polysemantic (representing many distinct concepts) or could represent single concepts that humans don’t understand or have words for.” It also runs into problems because it is focused on specifically what each neuron does individually, and not how that might affect things later on in the text. Similarly, it can explain specific behaviour but not what mechanism is producing that behaviour, and so might spot The system also uses a lot of computing power, the researchers note. Read More Google to unveil major new AI AI robots figure out how to play football in shambolic footage White House asks hackers to break ChatGPT White House reveals plan to ‘protect’ citizens from danger of AI DeepMind boss says human-level AI is just a few years away Regulator to probe use of artificial intelligence such as ChatGPT

OpenAI CEO Sam Altman will testify before Congress next Tuesday as lawmakers increasingly scrutinize the risks and benefits of artificial intelligence, according to a Senate Judiciary subcommittee.

On June 12, 2021, Denmark's Christian Eriksen collapsed in the corner of the pitch during a European Championship match against Finland. As his teammates surrounded him, arm-in-arm, shielding him from the eyes of the world, doctors began working to save the midfielder's life.

Inside the Miami Heat locker room Erik Spoelstra stepped onto the NBA championship logo on the center of the floor and gathered his team around him

After every twist and turn in the soap opera saga of LeBron James’ four seasons alongside Anthony Davis with the Los Angeles Lakers, it's still clear this is a championship-caliber partnership when James and Davis are both healthy

Ole Gunnar Solskjaer has revealed that Manchester United opted not to sign Erling Haaland for just £4m when he was a teenager.

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Marc Skinner insists Manchester United’s “rebels” are closing the gap on Chelsea going into the Women’s FA Cup final on Sunday. Wembley is expecting a 90,000 sell-out crowd – a record for a women’s domestic club match – for the showdown between the top two teams in the Women’s Super League. United hold a one-point lead over Chelsea but Emma Hayes’ side have a game in hand and, with three WSL matches to play, are favourites to win a fourth consecutive title. Chelsea also have a firm hold on United with six successive victories against the Red Devils, including a potentially decisive 1-0 home win in March – the only time Skinner’s side have failed to score in 28 games this season. Skinner said: “We are getting closer. We remember the Chelsea game last time and I’m absolutely convinced – and we have got VAR this time – we should have had two penalties and you might be talking about the title race differently. “There’s no doubt in my mind that if you want to pick a favourite then Chelsea should be put on that mantle because they’ve done this before. “But the reality is we have a team of rebels and that might not be the fact on Sunday. “Single game, single focus, and we will try to accept all the psychological challenges and manage and adapt the best we can. We are there to try and win it.” Chelsea have been in fine form since bowing out of the Champions League at the semi-final stage to Barcelona. They have beaten Liverpool, Everton and Leicester to narrow the gap on United and scored 15 goals in the process. “I’m sure the coaches of Leicester and Everton will be disappointed with the mistakes in those games that made it a little bit easier for Chelsea to score those (13) goals,” said Skinner, who has labelled Blues top scorer Sam Kerr a “machine”. “But they did score them and they are deadly. We’ve got to make sure we keep that to a minimum. “Chelsea create chances in every game they play, so we’ve got to hurt them at the other end. “If we do that, and play to that mentality, then it’s going to be a really exciting game. “We know we can beat Chelsea and that’s not saying we’re going to beat Chelsea because we know how difficult that is. We’ve got to trust our process of play.” The United team were only formed in May 2018 and this is their first final. But England Euro 2022 heroes Alessia Russo, Ella Toone and Mary Earps, as well as Norwegian midfielder Vilde Boe Risa, have won every single final they have played in. Toone also scored against Brazil in the 2023 Women’s Finalissima last month, which England won on penalties with Earps proving a shoot-out heroine. Asked if United had practised penalties ahead of Sunday, Skinner said: “Absolutely. It would be remiss not to do that. We’ve been doing it over the last few weeks. “Mary’s experience will be massive, but we can’t win this on individuals’ experience. We have to do it as a collective, because we’re going to have to suffer.” Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live Eurovision has disrupted Man City’s schedule, Pep Guardiola says Everton have their edge back at the right time in relegation battle – Sean Dyche Anything can happen in football – Pep Guardiola wary of threat posed by Everton

Follow live coverage as Leeds United face Newcastle United in the Premier League today. Manchester City are reigning champions after beating Liverpool to the finish line in a neck-and-neck 2021/22 title race where a comeback win on the final day of the season against Aston Villa secured a fourth title in five years for Pep Guardiola's side. Jurgen Klopp's Reds were on course for a quadruple last season but were forced to settle for just an FA Cup and Carabao Cup win and will return trying to win the title again just as they did in 2020. It was a dramatic season for Chelsea a year ago with Roman Abramovich now replaced by Todd Boehly as owner in west London. He will want an instant return on his hefty investment at Stamford Bridge while Tottenham, back in the Champions League, will want to kick on once more too. It's not all about the action at the top though with Fulham, Bournemouth and Nottingham Forest promoted to the top tier for 2021/22 and hoping to hold their own against the best English football has to offer and avoid the drop. We will bring you all the action and updates from today's game in the live blog below:

The Jordan Poole era in Golden State may have come to an end with his disastrous postseason. Which teams could take advantage with a low-ball trade offer?After the Warriors won Game 5 to stay alive in their second-round series with the Lakers, ESPN Insider Zach Lowe pointed to Jordan Poole and s...