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Focus shifts to retailers as U.S. quarterly results hit final leg
Focus shifts to retailers as U.S. quarterly results hit final leg
By Caroline Valetkevitch NEW YORK First-quarter U.S. company results are winding down, but investors will get one last
2023-05-16 13:51
Fields and Moore lead the Bears to their first win of the season, 40-20 over the Commanders
Fields and Moore lead the Bears to their first win of the season, 40-20 over the Commanders
Justin Fields connected with DJ Moore for 230 yards and three touchdowns to help the embattled Chicago Bears pick up their first win of the season by beating Washington 40-20
2023-10-06 11:49
Defense head calls out those who advocate isolationism and 'an American retreat from responsibility'
Defense head calls out those who advocate isolationism and 'an American retreat from responsibility'
Defense Secretary Lloyd Austin is denouncing those advocate what he says is “an American retreat from responsibility.”
2023-12-03 05:22
Sabalenka's US Open loss to Gauff will sting. Being No. 1 in the rankings Monday will help ease it
Sabalenka's US Open loss to Gauff will sting. Being No. 1 in the rankings Monday will help ease it
Aryna Sabalenka knows it will be hard to get over the sting of a loss to Coco Gauff in the U.S. Open final
2023-09-10 10:54
In Colombian jungle, digging up the Americas' colonial past
In Colombian jungle, digging up the Americas' colonial past
With brushes and trowels, Indigenous Colombians are unearthing traces in the jungle of a tragic period in history, when their ancestors were violently...
2023-10-11 09:45
Astronomers reveal evidence of universe's 'background hum'
Astronomers reveal evidence of universe's 'background hum'
Astronomers across the world announced on Thursday that they have found the first evidence of a long-theorised form of gravitational waves that create a "background...
2023-06-29 08:27
Michelle Obama nudges newly graduated daughter Sasha to find jobs: 'She needs to get out there'
Michelle Obama nudges newly graduated daughter Sasha to find jobs: 'She needs to get out there'
Sasha Obama, 22, who received a sociology degree wants to 'take summer off to figure it out'
2023-06-26 14:58
Two giant 'blobs' in Earth's core could be remains of an ancient planet
Two giant 'blobs' in Earth's core could be remains of an ancient planet
Many of us look to the stars for answers to life’s most complex questions. But actually, some of the greatest mysteries lie beneath our very feet. One might think we’d know the Earth pretty well by now but, in fact, our planet’s core remains shrouded in enigma. Indeed, there are two gigantic blobs located beneath Africa and the Pacific Ocean that occupy around six per cent of the world’s entire volume. And yet, we’re still not entirely sure what they’re made of or where they came from. There are a number of hypotheses, including that they are piles of oceanic crust that have accumulated over billions of years. Sign up for our free Indy100 weekly newsletter But a more interesting theory is that they are huge chunks of an ancient planet that hit the Earth around 4.5 billion years ago. To give an indication of just how massive these things are, the structure under Africa – an area known as Tuzo – is thought to be around 800km (497 miles) tall – the equivalent of some 90 Mount Everests stacked on top of one another, as IFLScience notes. The problem with determining the origin of these monster formations is that there are no direct ways of observing the Earth’s core. The deepest hole humans have ever dug – branded the "entrance to hell" – reached a pretty staggering 12,263m (40,230ft), but that doesn’t even come close to breaking through the crust to the layers beneath. Our most effective tool for analysing what lies beneath the ground is a technique called seismic tomography, which looks at how waves of energy travel when earthquakes occur. Since rocks and liquids have different densities, the waves move through them at different speeds. By measuring the tremors from different points on the surface, geologists can determine what kind of material the waves are travelling through and, in so doing, map out the Earth’s interior. It was by using this technique that the two unusual structures – known as large low shear velocity provinces (LLSVPs) – were found. Waves travel more slowly in these areas – fondly known as “blobs” – than through the surrounding lower mantle, indicating that they’re made of something different. We can’t tell what this material is based on seismic tomography data alone, but some scientists like to believe that they are the remnants of an ancient planet called Theia – an idea known as the “giant impact hypothesis”. According to this hypothesis, around 4.5 billion years ago, a Mars-sized object collided with the Earth. This impact not only created the planet we call home today, but also threw off enough rock to form the moon that lights up our night skies. Some scientists suggest that some of Theia’s leftovers also sunk to the bottom of the planet, probably settling somewhere above the core – thereby forming at least one of the two LLSVPs. More Updates About Strange Blob Structures Inside Planet Earth youtu.be Experts have been investigating the area for decades but there’s still no way of knowing for sure just what these two giant blobs are. Still, studies into Theia have offered important insights into how the possible collision might have kickstarted key plate tectonic and mantle motion inside our planet – crucial processes for establishing the world on which we live. It’s also a useful reminder that we still have so much to learn about our planet and where we came from. 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.
2023-06-14 15:15
BBC, British Airways, Novia Scotia among first big-name victims in global supply-chain hack
BBC, British Airways, Novia Scotia among first big-name victims in global supply-chain hack
U.S. and British cybersecurity officials are warning of the potential widespread global impact of a Russian cyber-extortion gang’s hack of a file-transfer program popular with corporations
2023-06-08 03:17
Alcaraz, Djokovic to clash in blockbuster Wimbledon final
Alcaraz, Djokovic to clash in blockbuster Wimbledon final
World number one Carlos Alcaraz set up a blockbuster Wimbledon final against seven-time champion Novak Djokovic after sweeping aside...
2023-07-15 01:52
NYC pension funds and state of Oregon sue Fox over 2020 election coverage
NYC pension funds and state of Oregon sue Fox over 2020 election coverage
New York City’s pension funds and the state of Oregon are suing Fox Corporation over Fox News' 2020 election coverage
2023-09-13 10:15
Blockbuster movie scares Chinese tourists away from Thailand
Blockbuster movie scares Chinese tourists away from Thailand
For millions of Chinese tourists, Thailand used to be a happy land of water fights, lantern...
2023-09-22 11:29