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Phys.org / Unlocking the 'black box' of Grand Canyon's water supply

Every year at Grand Canyon National Park, millions of visitors from all over the world stop at one of a dozen water spigots. Most people are on a rim, seeing the canyon's majesty for the first time, when they step off the ...

20 hours ago in Earth
Phys.org / Global map catalogs 459 rare continental mantle earthquakes since 1990

Stanford researchers have created the first-ever global map of a rare earthquake type that occurs not in Earth's crust but in our planet's mantle, the layer sandwiched between the thin crust and Earth's molten core. The new ...

17 hours ago in Earth
Phys.org / CRISPR screen maps 250 genes essential for human muscle fiber formation

Muscles make up nearly 40% of the human body and power every move we make, from a child's first steps to recovery after injury. For some, however, muscle development goes awry, leading to weakness, delayed motor milestones ...

15 hours ago in Biology
Phys.org / Scientists explain why methane spiked in the early 2020s

A combination of weakened atmospheric removal and increased emissions from warming wetlands, rivers, lakes, and agricultural land increased atmospheric methane at an unprecedented rate in the early 2020s, an international ...

17 hours ago in Earth
Phys.org / Finger length could provide vital clue to understanding human brain evolution

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly dependent on increases in prenatal estrogen—revealed by looking at the length of a person's fingers. ...

19 hours ago in Biology
Phys.org / The compleximer: New type of plastic mixes glass-like shaping with impact resistance

Researchers at Wageningen University & Research have developed a new type of plastic that, according to materials theory, should not be able to exist. Its properties sit somewhere between those of glass and plastic: it is ...

16 hours ago in Chemistry
Tech Xplore / A bot-only social media platform: What the Moltbook experiment is teaching us about AI

What happens when you create a social media platform that only AI bots can post to? The answer, it turns out, is both entertaining and concerning. Moltbook is exactly that—a platform where artificial intelligence agents ...

17 hours ago in Computer Sciences
Phys.org / The Amaterasu particle: Cosmic investigation traces its origin

Cosmic rays are extremely fast, charged particles that travel through space at nearly the speed of light. The Amaterasu particle was detected in 2021 by the Telescope Array experiment in the U.S. It is the second-highest-energy ...

18 hours ago in Astronomy & Space
Medical Xpress / Mutation in one Parkinson's protein eases cellular traffic jams caused by another

A hallmark of Parkinson's disease is the buildup of Lewy bodies—misfolded clumps of the protein known as alpha-synuclein. Long before Lewy bodies form, alpha-synuclein can interfere with neurons' ability to transport proteins ...

15 hours ago in Neuroscience
Phys.org / Increasing pesticide toxicity threatens global biodiversity protection goal: Only one country is currently on target

At the 15th UN Biodiversity Conference (COP15) in Montreal, Canada, in 2022, nations committed to reducing the risks associated with pesticide use in agriculture by 50% by 2030. A new study by a research team from RPTUKaiserslautern-Landau, ...

17 hours ago in Biology
Tech Xplore / AI agents debate more effectively when given personalities and the ability to interrupt

In a typical online meeting, humans don't always wait politely for their turn to speak. They interrupt to express strong agreement, stay silent when they are unsure, and let their personalities shape the flow of the discussion. ...

16 hours ago in Hi Tech & Innovation
Medical Xpress / Experimental pill dramatically reduces 'bad' cholesterol

An experimental pill called enlicitide slashed levels of low-density lipoprotein (LDL) cholesterol, commonly known as "bad" cholesterol, by up to 60%, according to a new phase three clinical trial published in the New England ...

21 hours ago in Medications