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כתבות אחרונות מאתר 'Phys'
Phys

UK's national soil database released as open-access repository‎

Cranfield University has launched a new soil and environmental online database and mapping tool, opening up detailed information about land in England and Wales. In collaboration with Defra, Cranfield's Land Information System (LandISPortal)—which includes the National Soil Map of England and Wales (NATMAP)—is now on a new platform and open access, free and available for everyone to use. The initiative delivers the commitment in the government's Land Use Framework to make this soil data open access.

02:45
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Phys

Understanding canine distemper virus and increased risk during summer‎

With longer days, warmer weather and a little more breathing room in the schedule, summer often feels like the perfect time to bring home a new dog.

00:12
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Phys

Deadly droughts and floods wipe out young California salmon en route to Pacific‎

Salmon are becoming river "ghosts" as brutal droughts and violent floods cause unprecedented losses on their treacherous journey to the Pacific Ocean, scientists say. A study led by the University of Essex; NOAA Fisheries; University of California, Davis; and Cramer Fish Sciences has found that young Californian Chinook salmon face a deadly double threat from extreme weather and the destruction of historical wetland habitats they rely on.

23:14
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Phys

Study warns cost-cutting use of generative AI could increase cyber-attack risks‎

Newly published research from a leading computer scientist warns that the use of generative AI to design, train, or perform steps within a machine learning system could increase serious risks. Michael Lones, professor at Heriot-Watt University's School of Mathematical and Computer Sciences, has argued in a new paper that generative AI could expose organizations and the public to unintended harm.

21:54
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Phys

Rising temperatures could be driving up antibiotic resistance in soil, 11-year study finds‎

Every year, millions suffer, and thousands lose their lives to infections that were once easily treatable with the right dose of medication. The drugs are the same; human physiology is the same; the only difference is that microbes, such as bacteria, viruses, and fungi, have now developed resistance to drugs designed to kill them. This phenomenon, known as antimicrobial resistance, is rapidly rising, ringing sirens for emergency action across the globe.

20:23
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Phys

Synthetic biology promised to rewrite life—with the death of its pioneer, J. Craig Venter, how close are scientists?‎

When scientist J. Craig Venter and his team announced in 2010 that they had created the first cell controlled by a fully synthetic genome, it marked a turning point in how scientists think about life.

20:03
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Phys

How a newly discovered organelle could help reduce cow methane emissions‎

When cows burp, they send a substantial amount of methane gas into the air, which makes them a leading contributor to greenhouse gas emissions. According to research published in the journal Science, a newly discovered hydrogen-producing structure within the microbes of cow stomachs may influence how much of that gas is expelled.

18:52
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Phys

Cities are getting hotter—and bigger. New research reveals the scale of the challenge‎

We tend to think of climate change impacts as dramatic and destructive. Storms and floods that bring down landslides and swamp streets, or raging wildfires that tear through forests and farmland.

18:36
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Phys

'GangTok': Insights into the presence of gang culture on TikTok‎

In a new study, a University of Cincinnati sociologist and his research team are shedding light on how TikTok content produced by gang members could be used to better inform law enforcement and policymakers for more appropriate action. The team led by John Leverso, an assistant professor in the UC School of Criminal Justice, has published their research in Crime, Media, Culture: An International Journal.

17:13
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Phys

New imaging method maps reversed DNA replication forks in single cells‎

Researchers at The University of Texas MD Anderson Cancer Center have developed a new imaging method, known as RF-SIRF, that quantitatively detects and maps reversed DNA replication forks with single-cell resolution. The results also demonstrated a unique epigenetic code for DNA replication stress that can be further examined to understand mechanisms of genomic stability, aging and treatment response.

17:13
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