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Earth has been recycling crust for most of its history

Earth has been recycling crust for most of its history

Science
June 26 (UPI) -- New research suggests roughly 5 to 6 percent of the Earth's mantle is made up of recycled crust. The discovery, detailed Friday in the journal Science Advances, suggests Earth has been producing new crust at a similar rate for most of the planet's history. Advertisement Geologists knew that some of Earth's crust regularly sinks back into the mantle, but until now, they weren't sure how much gets recycled -- a key to understanding the history of crustal formation and subduction. To better understand the trajectory of crust that gets swallowed back into the mantle, scientists collected 500 samples of basalt from mid-ocean ridges all over the world. "The chemical composition of oceanic basalt -- Mid-Oceanic Ridge Basalt, or MORB -- that erupted along the 40,000-kilometer lo...
Tyson Fury reacts to Anthony Joshua’s Black Lives Matter protest speech: ‘If it’d been me, I’d have been crucified like Jesus’

Tyson Fury reacts to Anthony Joshua’s Black Lives Matter protest speech: ‘If it’d been me, I’d have been crucified like Jesus’

Sports
Tyson Fury has claimed he would have been ‘crucified like Jesus’ if he’d given an equivalent to Anthony Joshua’s speech at the Black Lives Matter protest. AJ took part in a march and park gathering in his hometown of Watford on June 6, where he took the microphone and spoke for several minutes. Instagram Joshua live streamed the protest on Instagram AJ initially read out a speech from someone who could not be there to voice their own opinion. He then went on to talk to a Watford councillor about securing a premises to further this discussion. A brief snippet of the initial speech was taken out of context and uploaded to social media, in which Joshua read out: “Show them where it hurts. “Abstain from spending your money in their shops and economies, a
A maritime mystery: What has been causing ships to sail in circles?

A maritime mystery: What has been causing ships to sail in circles?

Technology
In the early hours of Sunday 31 May, senior officers aboard the oil tanker Willowy were called to the bridge to be told that their ship and four others in its vicinity were mysteriously sailing in circles, unable to steer, and on course to converge.It must be easy to panic at sea. The immediate presumption was that strong currents were pushing the vessels around, but there were no such currents where the ships were sailing in the south Atlantic Ocean, west of the South African city of Cape Town. Ships appearing to sail in circles have become an increasingly common and mysterious phenomenon near a number of ports on the coast of China, especially near oil terminals and government facilities - but nothing had been seen where the Willowy was.Researchers monitoring these bizarre circles near t...
Americans got $48 billion in unemployment benefits last month. It could have been double

Americans got $48 billion in unemployment benefits last month. It could have been double

Finance
A store in Arlington, Virginia, remained temporarily closed on May 14, 2020. Another 3 million people filed initial unemployment claims last week on a seasonally adjusted basis, according to the Department of Labor.Olvier Douliery-AFP/Getty ImagesStates paid a record $ 48 billion in unemployment benefits last month as the coronavirus pandemic caused millions of Americans to lose their jobs.But the payout could have been much larger — about double — were it not for administrative delays among states, according to an analysis from researchers at the Brookings Institution."A lot of money is going out," said Jay Shambaugh, director of the Hamilton Project, an economic initiative within the left-leaning think tank, and one of the authors of the report. "But it's nowhere near how much
Scientists say a more contagious mutant coronavirus strain has been sweeping globe

Scientists say a more contagious mutant coronavirus strain has been sweeping globe

Technology
Scientists say they have identified a mutation in coronavirus which they believe means a more contagious strain has been sweeping Europe and the US - and could even reinfect those who already have antibodies.Researchers at Los Alamos National Laboratory in the US detected 14 mutations in the COVID-19 virus spike proteins, one of which - known as Spike D614G - they said was of "urgent concern". Their research paper suggests the mutated strain of coronavirus that has become dominant across the world was first indentified in Europe and is different to those which spread early on in the pandemic. Image: A graphic shows the mutation, in blue, becoming the most dominant strain So urgent is the issue that the research paper describing their ...