Scientists have discovered a new virus in the Pacific that is thought to be the deepest ever found in Earth’s oceans. The so-called bacteriophage virus infects and replicates inside bacteria, and was found in the Mariana Trench, which is the Pacific’s deepest point. Bacteriophages are among the world’s most abundant life forms, and are important for regulating population sizes in the oceans and releasing nutrients. This one, the catchily named vB_HmeY_H4907, was picked up at 8,900 metres below sea level. That is still some way off the 11,000 metre floor of the trench. Min Wang, a marine virologist from the Ocean University of China, said: “To our best knowledge, this is the deepest known isolated phage in the global ocean.” “Wherever there’s life, you can bet there are regulators at work. Viruses, in this case.” Scientists think this virus is likely to be distributed widely in the world’s oceans, despite the fact it has only been discovered. It has a similar structure to its host bacteria group halomonas. These are usually found in sediments and geyser-like openings on the seafloor. They also think the virus is lysogenic, which means it infects the host but does not kill it. Dr Wang said the discovery could inform further research about how viruses survive in the world’s harshest environments. “Extreme environments offer optimal prospects for unearthing novel viruses,” he added. The virus was found in the so-called hadal zone, which the study’s authors said is “the planet’s least explored and most mysterious environment, and it is the deepest habitat for life on Earth’s surface”. The area is named after Hades, the Greek god of the underworld. Researchers wrote in the study: “These findings expand our understanding of the phylogenetic diversity and genomic features of hadal lysogenic phages, provide essential information for further studies of phage-host interactions and evolution, and may reveal new insights into the lysogenic lifestyles of viruses inhabiting the hadal ocean.” The findings were published in the journal Microbiology Spectrum. Sign up to our free Indy100 weekly newsletter 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.

Elon Musk plans to live stream himself playing video games on X, formerly known as Twitter, as part of plans to challenge other streaming platforms like Twitch and YouTube. The tech billionaire previously tried to launch the stream late on Wednesday night but ran into technical issues. “Will test X livestream scaling tonight at ~11pm CT (5am BST) with some silly stuff,” he posted to X on Wednesday. “People have asked me to stream myself playing video games, so I will try to speedrun a Tier 99 Nightmare dungeon on Diablo (with no magnificent hearts).” He followed up a few hours later, writing: “Unfortunately, still working. Will have to postpone to tomorrow.” Since taking over Twitter in October 2022, and renaming it to X in April 2023, Mr Musk has repeatedly stated his ambition to transform the social media platform into an “everything app”. Similar to China’s WeChat, the app could eventually incorporate other functions and services like making payments, booking taxis or ordering food. Mr Musk has already secured money-transmitting licences in at least three US states, and has a history of building online payments platforms after co-founding PayPal. X chief executive Linda Yaccarino, who Mr Musk hired in June, laid out what this new version of the app might look like in a series of posts after joining the company. “X is the future state of unlimited interactivity – centred in audio, video, messaging, payments/banking – creating a global marketplace for ideas, goods, services, and opportunities. Powered by AI, X will connect us all in ways we’re just beginning to imagine,” she wrote. “For years, fans and critics alike have pushed Twitter to dream bigger, to innovate faster, and to fulfil our great potential. X will do that and more. We’ve already started to see X take shape over the past 8 months through our rapid feature launches, but we’re just getting started.” Before Mr Musk took over, Twitter had a video streaming feature called Periscope that was shut down in March 2021 due to declining usage. Mr Musk briefly tested the dormant feature in May 2023, though users dubbed him “8-bit Elon” due to the low quality resolution of the broadcast. Read More Elon Musk and the one trillion-dollar algorithm that explains everything he does Reddit will start paying people to post Tesla robot shown practising yoga X is shutting down feature to send posts to select people after privacy concern

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