Scientists discover why a huge gravity hole has opened in the Indian ocean
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.
2023-07-01 15:48
Influencer responds to criticism for demanding commuters wait for her when filming on tube
An influencer has been criticised for complaining about commuters getting in her way as she posed for photos in front of a tube on the London Underground. In the viral video from last year, TikToker Antonia Freya Lydia (@turnttoni) attempted to show off her black feather strapless dress in a clip but this proved to be challenging as people were walking along the platform. "Taking an aesthetic video in London Underground be like," she wrote in the on-screen text as people walked past and blocked her shot. She added in the caption: "Like can yoh wait just one sec,sir." @turnttoni like can yoh wait just one sec,sir? #fy #foryou #london #underground Since sharing the video, it went with 8.9m views where people took to the comment section and didn't hold back on their thoughts. One person said: "Some people actually use the station to get to places instead of taking insta photos crazy right?!?" "GIRL IT’S A TRAIN STATION—" another person wrote. A third person added: "You know people have to go to work and they're not going to stop their lives for you. Don't want people around, go someplace private." "If you were in a wide open space this would make sense but… in a TRAIN STATION?!" a fourth commented. Someone else replied: "Imagine doing this at Oxford Circus and expecting people to get out of your way." While a few defended the influencer too "Don’t think she knew it was gonna be that busy and she is probably joking lol," one person wrote. Someone else replied: "Idk about y’all but i understand her completely." But this wasn't the end of the matter... The debate was reignited when Twitter user @schizarella (not Antonia in the original video) weighed in with their thoughts after the clip was reposted on the platform on Sunday. "When you see someone recording just walk behind the camera or wait literally ten seconds, if you can't do this then you don't deserve to be part of a civilized society," they wrote in a post that has since become unavailable to view. It prompted many people to disagree and criticise the influencer for her actions - here are some of the comments. In a recent TikTok, Antonia aka the influencer in the original video responded to a critical comment saying they couldn't believe she was complaining about people getting in her shot, and called her content "lame." @turnttoni Replying to @sop excuse me, what do you mean? #fy #foryou #subway To which Antonia replied with a video filled with different snaps of herself all over the world and in different outfits where she seemed to be unbothered as she wrote: "wait.... lame?" Then, she wrote in the caption: "excuse me, what do you mean?" 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.
2023-09-18 18:18
How to Get Mew in Pokémon Scarlet and Violet
A new event in Pokémon Scarlet and Violet lets you have your very own Mew. Here's how to get him.
2023-08-10 05:21
Facebook parent Meta forecasts quarterly revenue above estimates
By Katie Paul and Yuvraj Malik (Reuters) -Meta Platforms forecast third-quarter revenue above market expectations on Wednesday, sending shares up
2023-07-27 04:20
There's a reason why we've never found fire anywhere other than on Earth
Fire might seem like one of the most elemental things in the natural world, but it’s never been found anywhere other than Earth. It’s because the creation of fire relies on very specific circumstances. In fact, if fire was ever found on another planet, it would be a good indicator of the possible existence of life. Oxygen is key to fire, and while it’s particularly prevalent in the universe, Earth’s atmosphere features an abundance of the element in the right molecular form for it to form. Even then, the way the Earth’s atmosphere has changed over its lifespan is also crucial to conditions being fostered where fire can form [via IFLScience]. For millions of years, in fact, there wasn’t enough oxygen in the atmosphere to create fire. Before the Middle Ordovician period, when there was far less oxygen, there’s no evidence of fire whatsoever. Most of the fuel that fire needs is also directly related to life existing on the planet – think wood, oil and coal. Without life, there isn’t an awful lot of fuel going around, which just shows why the existence of fire on another planet would be a very promising sign when it comes to exploring the universe for life. Despite fire being much rarer in the universe than most might think, it was previously confirmed that humans in Europe may have mastered fire long before we previously thought. According to a study published in Scientific Reports, humans made the discovery around 245,000 years ago, up to 50,000 years earlier than scientists believed, Researchers studied samples from the Valdocarros II, a huge archaeological site found east of Madrid, Spain. Using chemical analysis, they found certain compounds that show things were burnt by fire in "organised" social events, rather than through accidents or wildfires. Sign up for our free Indy100 weekly newsletter How to join the indy100's free WhatsApp channel 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
2023-12-01 00:57
10 of the best Python courses you can take online for free
TL;DR: Find a wide range of free Python courses on Udemy. Learn at your own
2023-07-06 12:23
Shapeways Announces Key Investments in Software Offering
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2023-07-12 20:57
A Brief History of Christmas Pudding, Britain’s Imperial Dessert
Clearing the last of the Christmas dinner plates is a special moment. It means it’s time for the traditional dessert.
2023-11-28 06:17
Transact Campus Partners with Luxer One for Secure, Frictionless On-Campus Package Delivery
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2023-06-14 22:28
Velo3D Promotes Alexander Varlahanov to Chief Technology Officer
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2023-05-23 21:29
Nova Scotia wrestles with aftermath of devastating floods
By Nia Williams Canada's East Coast province of Nova Scotia began cleaning up on Sunday after torrential rainfall
2023-07-24 04:59
Who Voices Clive in Final Fantasy XVI?
See who voices Clive Rosfield in Final Fantasy 16
2023-06-24 03:20
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