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כתבות אחרונות מאתר 'Phys'
Phys

Utah's other Great Salt Lake is underground, ancient, deep....and fresh‎

Under the Great Salt Lake playa lies a potentially vast reservoir of pressurized freshwater that has accumulated over thousands of years from mountain-derived snowmelt, according to new research from University of Utah geoscientists. This groundwater occupies the pore spaces in sediments that fill the basin west of the Wasatch Mountains and below a 30-foot-thick salty layer.

13:06
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Phys

Reporting workplace sexual harassment 'not worth it,' say victims‎

Despite recent legal reforms and increased emphasis on upholding workplace conduct policies, most people who experience sexual harassment at work still do not report it.

13:06
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Phys

Ocean impacts nearly double economic cost of climate change, study finds‎

For the first time, a study by researchers at Scripps Institution of Oceanography at the University of California, San Diego integrates climate-related damages to the ocean into the social cost of carbon—a measure of economic harm caused by greenhouse gas emissions.

13:06
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Phys

Increased deciduous tree dominance reduces wildfire carbon losses in boreal forests, study shows‎

As climate change drives more frequent and severe wildfires across boreal forests in Alaska and northwestern Canada, scientists are asking a critical question: Will these ecosystems continue to store carbon or become a growing source of carbon emissions?

13:06
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Phys

ISS astronauts splash down on Earth after first-ever medical evacuation‎

Four International Space Station crewmembers splashed down in the Pacific Ocean on Thursday, NASA footage showed, after the first ever medical evacuation in the orbital lab's history.

11:35
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Phys

Insects are victims, not just invaders, says study‎

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird and fire ant. But new research reveals insects are also major victims of invasive alien species—exacerbating population declines and reducing their ability to provide vital services for biodiversity and people, from pollination to pest control.

11:35
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Phys

New technology converts naturally derived monomers into degradable polymer capsules‎

Polymer capsules can store functional substances such as drugs and fragrances, making them widely used in functional cosmetics and daily necessities. However, conventional capsules use non-degradable polymers and are difficult to decompose in natural environments. They are identified as a contributing factor to the marine microplastics problem, and concerns have been raised about their impact on the ecosystem and human health.

11:35
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Phys

Mosquitoes' thirst for human blood has increased as biodiversity loss worsens‎

Stretching along the Brazilian coastline, the Atlantic Forest is home to hundreds of species of birds, amphibians, reptiles, mammals, and fishes. However, due to human expansion, only about a third of the forest's original area remains intact.

07:03
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Phys

Young people risk drifting into serious online offenses through a slippery slope of high-risk digital behavior‎

New findings from the University of East London show that online risk-taking is widespread among young people, with behaviors such as digital piracy, accessing risky online spaces or engaging with harmful content having a high potential to lead to more serious offenses.

07:03
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Phys

Handmade learning: Students weave sustainability lessons into rag rugs‎

Rag rugs, the kind Grandma used to make from worn-out sheets and bits of cloth, may seem like relics from a bygone era, but they hold valuable modern-day lessons.

04:02
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