Trump’s new global tariffs kick in at 10%; Bank of England governor says March rate cut ‘open question’ – as it happened

Time to wrap up…Donald Trump’s new global tariffs have taken effect at 10%, even though he had threatened a higher rate of 15% over the weekend, providing “some relief” for British businesses, according to a lobby group.After the US president suffered a defeat at the hands of the supreme court on Friday, which struck down his sweeping “liberation day” tariffs imposed last year, he angrily reacted by announcing a 10% global tariff, which he raised to 15% on Saturday in a post on his social media platform Truth Social.The owner of Facebook has agreed to buy $60bn (£44.5bn) of artificial intelligence chips from the US semiconductor company Advanced Micro Devices despite fears over the vast sums being spent on the AI industry.Meta, which also owns Instagram and WhatsApp, has clinched the five-year deal in which it will also buy 10% of the chip company

US datacenters face slew of problems amid grassroots protests against AI

Cancellations and delays of new US datacenters have increased as the artificial intelligence boom runs up against a slate of issues, including supply chain snags, energy shortages and tariff-induced restraints.Grassroots opposition from local communities has also derailed some plans, and some investors have grown wary of datacenters amid fears of an AI bubble.Dozens of plans for datacenters were killed or delayed in December or January, according to reports from the investment research firm MacroEdge and climate news outlet Heatmap. MacroEdge’s research identified 26 cancellations through January – up from one in October.The complex knot of issues raises questions about the US’s ability to quickly facilitate the datacenter boom

Signs of psychosis seen in Australian users’ interactions with AI chatbots, expert warns

A leading AI expert has warned some Australians are showing signs of psychosis or mania in their interactions with chatbots, arguing Silicon Valley is being “careless” with the technology amid a pursuit of profit.During an address at the National Press Club on Wednesday, Toby Walsh, scientia professor of artificial intelligence at the University of New South Wales, said he believed the AI race will be both “boom and doom”, with some benefits.But his speech – a copy of which was provided to Guardian Australia – also warned about dangers he said had outraged him since the technology began maturing in recent years.“My childhood dreams are turning into a reality that is both good and bad,” he said in his prepared remarks.Sign up: AU Breaking News emailWalsh’s speech highlighted the legal case against OpenAI by the family of US teenager Adam Raine – along with its data that showed more than a million of its users each week send messages that include “explicit indicators of potential suicidal planning or intent”

Reddit fined £14.5m in UK over use of under-13s’ data

The UK information regulator has fined the social news service Reddit £14.5m for using the data of children under the age of 13 unlawfully and potentially exposing them to inappropriate and harmful content.The hefty punishment from the Information Commissioner’s Office (ICO) is the largest fine yet for a breach of children’s privacy and comes after the US-based company introduced age checks in July, including age verification to access mature content. Prior to this, the ICO said, there were “a large number of children under 13 on the platform and Reddit did not have a lawful basis for processing their personal information”.Reddit asks users to declare their age when opening an account but the ICO said relying on self-declaration presented risks to children as it was easy to bypass

Charlie Curnow was let off too easily for jumping ship

With about half an hour to go before last year’s trade period deadline, as player manager Tom Petroro began to resemble financial analyst Tom Piotrowski, Michael Voss phoned Charlie Curnow. The deal was unlikely to go through, the Carlton coach told him. Curnow would have to suck it up, mend some bridges, say all the right things and commit to the Blues again.Within a few minutes, however, he was a star in someone else’s sky. The Sydney players they traded him for were on holiday in South America, and took a call from their now former coach

US men’s hockey team visit White House as some players with Minnesota ties stay away

The victorious US Olympic men’s ice hockey team visited the White House on Tuesday, although there were several notable absences.Donald Trump invited the team to celebrate in Washington DC after they beat Canada in a dramatic Olympic final on Sunday. He also invited the US women’s team, who declined citing “timing and previously scheduled academic and professional commitments”.“I recognize every one of you. I know every one of you,” Trump said as he welcomed the players to the Oval Office