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What lies beneath melting glaciers and thawing permafrost?

Around the planet, ice is rapidly disappearing. From mountain tops, the poles, the seas, and the tundra. As the ice melts, it's exposing new surfaces, new opportunities, and new threats—including valuable mineral deposits, archaeological relics, no.....»»

Category: topSource:  physorgSep 14th, 2022

"Disappeared completely": melting glaciers worry Central Asia

Near a wooden hut high up in the Kyrgyz mountains, scientist Gulbara Omorova walked to a pile of gray rocks, reminiscing how the same spot was a glacier just a few years ago......»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Gravity study gives insights into hidden features beneath lost ocean of Mars and rising Olympus Mons

Studies of gravity variations at Mars have revealed dense, large-scale structures hidden beneath the sediment layers of a lost ocean. The analysis, which combines models and data from multiple missions, also shows that active processes in the Martian.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Printed engines propel the next industrial revolution

In the fall of 2023, NASA hot fire tested an aluminum 3D printed rocket engine nozzle. Aluminum is not typically used for 3D printing because the process causes it to crack, and its low melting point makes it a challenging material for rocket engines.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Deep underground flooding beneath hot springs: A potential trigger for the 1995 Kobe earthquake

Researchers at University of Tsukuba have shown that the 1995 Kobe (Hyogo-ken Nanbu) earthquake, which struck southern Hyogo Prefecture, may have been triggered by deep underground flooding beneath Arima Hot Springs. By analyzing the stable isotope r.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Climate change is accelerating extreme melting in Greenland with global impacts, says study

Climate change is accelerating the melting of ice in Greenland at an alarming rate, with serious implications not only for the Arctic, but also for the global climate, including Europe. According to a study led by researchers at the University of Bar.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Ancient DNA from Rapa Nui (Easter Island) refutes best-selling population collapse theory

Rapa Nui or Te Pito o Te Henua (the navel of the world), also known as Easter Island, is one of the most isolated inhabited places in the world. Located in the Pacific, it lies over 1,900 km east of the closest inhabited Polynesian island and 3,700 k.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Bunyip birds and brolgas: How can we better protect species important to Indigenous people?

Kamilaroi Country lies in far northwest New South Wales, past Tamworth and crossing over the Queensland border. Here, the bunyip bird (Australasian bittern, Botaurus poiciloptilus), and the brolga (Grus rubicunda or burraalga in Kamilaroi) have been.....»»

Category: topSource:  physorgRelated NewsSep 7th, 2024

The Earth"s inner core is an enduring mystery: Here"s how researchers are starting to solve it

Deep beneath our feet, at a staggering depth of over 5,100km, lies Earth's inner core—a solid ball of iron and nickel that plays a crucial role in shaping the conditions we experience on the surface. In fact, without it we'd be unlikely to even exi.....»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Seismic echoes reveal a mysterious "donut" inside Earth"s core

About 2,890 kilometers beneath our feet lies a gigantic ball of liquid metal: our planet's core. Scientists like me use the seismic waves created by earthquakes as a kind of ultrasound to "see" the shape and structure of the core......»»

Category: topSource:  physorgRelated NewsSep 2nd, 2024

Ancient viral genomes preserved in glaciers reveal climate history—and how viruses adapt to climate change

As humans alter the planet's climate and ecosystems, scientists are looking to Earth's history to help predict what may unfold from climate change. To this end, massive ice structures like glaciers serve as nature's freezers, archiving detailed recor.....»»

Category: topSource:  physorgRelated NewsSep 1st, 2024

Doughnut-shaped region found inside Earth"s core deepens understanding of planet"s magnetic field

A doughnut-shaped region thousands of kilometers beneath our feet within Earth's liquid core has been discovered by scientists from The Australian National University (ANU), providing new clues about the dynamics of our planet's magnetic field......»»

Category: topSource:  physorgRelated NewsAug 30th, 2024

Deepfakes: Seeing is no longer believing

The threat of deepfakes lies not in the technology itself, but in people’s natural tendency to trust what they see. As a result, deepfakes don’t need to be highly advanced or convincing to effectively spread misinformation and disinformat.....»»

Category: securitySource:  netsecurityRelated NewsAug 29th, 2024

Researchers discover dual epicenters in New Year"s Day Noto earthquake

The first seven months of 2024 have been so eventful, it's easy to forget that the year started off with a magnitude 7.5 earthquake centered beneath Japan's Noto Peninsula on New Year's Day. The earthquake killed more than 280 people and damaged more.....»»

Category: topSource:  physorgRelated NewsAug 23rd, 2024

Hubble spots a cluster of emission nebulae within the Large Magellanic Cloud

A bubbling region of stars both old and new lies some 160,000 light-years away in the constellation Dorado. This complex cluster of emission nebulae is known as N11, and was discovered by American astronomer and NASA astronaut Karl Gordon Henize in 1.....»»

Category: topSource:  physorgRelated NewsAug 20th, 2024

What’s new on Tubi in September 2024

What's new on Tubi in September? True Lies, Ma, Assassin's Creed, Mortal Kombat, Never Been Kissed, Independence Day, Fear, Total Recall, and more......»»

Category: topSource:  digitaltrendsRelated NewsAug 16th, 2024

"Mercury bomb" threatens millions as Arctic temperatures rise, study warns

The Yukon River flows west across Alaska toward the Bering Sea, eroding Arctic permafrost along its banks and transporting sediment downstream. Within that sediment lurks a toxic stowaway: mercury......»»

Category: topSource:  theglobeandmailRelated NewsAug 16th, 2024

The biggest-ever sample of core material from Earth"s mantle could have valuable clues into the origins of life

If you were to slice through it, you would see the Earth is divided into distinct layers. On top is the relatively thin crust where we live. Beneath that is the 2,900 km thick mantle layer. Then, enclosed within the mantle is the innermost metallic c.....»»

Category: topSource:  physorgRelated NewsAug 13th, 2024

Arctic Ocean may absorb less CO₂ than projected due to coastal erosion

As Earth warms, the Arctic Ocean's ability to absorb carbon dioxide from the atmosphere is waning due to melting permafrost and worsening coastal erosion, according to new research......»»

Category: topSource:  pcmagRelated NewsAug 12th, 2024

Tracking the restorative effects of good fire

A few miles south of Yosemite's famed Glacier Point, ringed by striking granite domes, lies the Illilouette Basin. This small stretch of the Sierra Nevada Mountains has become a sort of fire laboratory, a place where natural wildfires have been allow.....»»

Category: topSource:  physorgRelated NewsAug 8th, 2024

Ted Lasso creator says season 4’s fate lies with one person, and it’s not him

Ted Lasso season 3 wrapped up in 2023, and still there’s no concrete word on a potential season 4 and beyond. The strong ensemble cast could perfectly support spin-off series, too. So what’s the hold up? According to the series’ co-creator,.....»»

Category: gadgetSource:  9to5macRelated NewsAug 8th, 2024