A US federal judge on Tuesday temporarily blocked Microsoft from completing its $69 billion buyout of gaming giant Activision Blizzard...

Scientists have found an explanation for a 'gravity hole' in the Indian Ocean. A gravity hole is an area where gravitational pull is low, causing the seafloor to sink. Deep beneath the ocean, there is one that is three million square kilometers in size and previously it has confused scientists. Now two researchers from the Indian Institute of Science, Debanjan Pal and Attreyee Ghosh, think they have solved the mystery. More than 1,000 kilometers (621 miles) beneath Earth's crust, they found cold, dense remnants of an ancient ocean plunged into a 'slab graveyard' beneath Africa some 30 million years ago, stirring up hot molten rock. Sign up to our free Indy100 weekly newsletter Pal and Ghosh retraced the formation of the massive geoid by modeling how tectonic plates skimmed over Earth's mantle for the past 140 million years. They ran simulations and compared the shape of the oceanic low those models predicted with observations of the dent itself. The models that reproduced the Indian Ocean geoid low in its current form all had one thing in common: plumes of hot, low-density magma wafting up beneath the low. These plumes, as well as a distinctive mantle structure, are what created the geoid low; if they rise high enough, Pal and Ghosh reckon. "In short, our results suggest that to match the [shape and amplitude of the] observed geoid low, plumes need to be buoyant enough to come up to mid-mantle depths," the pair wrote. The first of these plumes appeared about 20 million years ago, to the south of the Indian Ocean geoid low, and around 10 million years after the old Tethys Sea sank into the lower mantle. As the plumes spread beneath the lithosphere and inched towards the Indian peninsula, the low intensified. But more research needs to be done to work out what is really going on as not all scientists are convinced. Science is crazy. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

A hospital in Idaho has been diverting ambulances to other hospitals for more than 24 hours because of a cyberattack, a hospital spokesperson confirmed to CNN on Wednesday in the latest example of a hacking incident complicating health care in the US.

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The US Federal Trade Commission has sued to stop Microsoft buying Call of Duty developer Activision Blizzard. It is just the latest problem for the deal, which has already been blocked by UK regulators. If completed, it will become one of the largest takeovers ever – but has faced scrutiny from regulators around the world, who argue that it might cause problems for the gaming market. The FTC's Monday filing in a federal court in San Francisco seeks a restraining order and injunction to stop Microsoft's $69 billion purchase of the California gaming company behind hit franchises such as Call of Duty and World of Warcraft. Microsoft, maker of the Xbox game system, has been struggling to win worldwide approval for the deal with just over a month before the deadline to close it, according to the contract it signed with Activision. “We welcome the opportunity to present our case in federal court," said a statement Monday from Brad Smith, Microsoft's vice chair and president. "We believe accelerating the legal process in the U.S will ultimately bring more choice and competition to the market.” The FTC already took Microsoft to court to block the merger, but that was before the U.S. agency's in-house judge in a trial set to start on Aug. 2. That administrative process doesn't preclude the parties from closing the deal. The contract between Microsoft and Activision required the deal to close by July 18, but the FTC's latest action seeks to stop that from happening. “Microsoft and Activision Blizzard have represented in the past that they cannot close their deal due to antitrust reviews of the transaction in other jurisdictions," the FTC said in a statement Monday. "But Microsoft and Activision have not provided assurances that they will maintain that position. In light of that, and public reporting that Microsoft and Activision Blizzard are considering closing their deal imminently, we have filed a request for a temporary restraining order to prevent them from closing while review continues.” Microsoft's other main obstacle is in the United Kingdom, where antitrust regulators have also taken action to block the acquisition. The all-cash deal announced in January 2022 has been scrutinized by regulators around the world over fears that it would give Microsoft and its Xbox console control of Activision's hit franchises and give it an unfair boost in the emerging business of cloud-based game subscriptions. It could be the priciest tech industry merger in history. Fierce opposition has been driven by rival Sony, which makes the PlayStation gaming system. Microsoft sought to counter the resistance by striking a deal with Nintendo to license Activision titles like Call of Duty for 10 years and offering the same to Sony if the deal went ahead. European regulators representing the 27-nation bloc approved the deal last month on condition that Microsoft make some promises meant to boost competition in the cloud-based gaming market. A number of other countries, including China, Japan, Brazil and South Korea, have also approved it. But the blockbuster deal has remained in jeopardy because of the surprise April decision by the U.K.’s Competition and Markets Authority and the ongoing case in the U.S. Microsoft in late May filed an appeal of the British regulator's decision and has also voiced strong public opposition directed at top government officials. U.S.-based consumer advocacy group Public Citizen, an opponent of the deal, welcomed the FTC's move Monday. “Although the agency has already used its authority to block the merger through administrative proceedings, Microsoft is pushing to culminate the purchase of Activision before the agency can finish its process," said a statement from Public Citizen's competition policy advocate Matt Kent. ""By filing in federal court to enjoin the transaction, the FTC is showing that it won’t back down in the face of Microsoft’s escalatory tactics.” Additional reporting by Associated Press

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(Note: Strong language in paragraph 10) By Alexandra Ulmer and Anna Tong "I actually like Ron DeSantis a