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ScienceDaily 3 place · 05/23/2025 14:19 EDT

Why are some rocks on the moon highly magnetic?

Scientists may have solved the mystery of why the moon shows ancient signs of magnetism although it has no magnetic field today. An impact, such as from a large asteroid, could have generated a cloud of ionized particles that briefly enveloped the moon and amplified its weak magnetic field. Read more ›

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ScienceDaily
ScienceDaily 2 place · 05/23/2025 12:06 EDT

Mystery of 'very odd' elasmosaur finally solved: fiercely predatory marine reptile is new species

A group of fossils of elasmosaurs -- some of the most famous in North America -- have just been formally identified as belonging to a 'very odd' new genus of the sea monster, unlike any previously known. This primitive 85-million-year-old, 12 meter-long, fiercely predatory marine reptile is unlike any elasmosaur known to-date and hunted its prey from above. Read more ›

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ScienceDaily
ScienceDaily · 05/23/2025 12:05 EDT

Earliest use of psychoactive and medicinal plant 'harmal' identified in Iron Age Arabia

A new study uses metabolic profiling to uncover ancient knowledge systems behind therapeutic and psychoactive plant use in ancient Arabia. Read more ›

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ScienceDaily
ScienceDaily · 05/23/2025 12:04 EDT

El Niño and La Niña climate swings threaten mangroves worldwide

New international research demonstrates global-scale patterns in how El Ni o-Southern Oscillation (ENSO) influences mangrove growth and degradation. Previously, impacts had only been documented at individual sites, such as a dramatic die-off in northern Australia in 2015 when more than 40 million mangrove trees perished along a 1,200-mile stretch of coastline. Read more ›

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ScienceDaily
ScienceDaily · 05/23/2025 12:04 EDT

When the sea moves inland: A global climate wake-up call from Bangladesh's Delta

As sea levels climb and weather grows more extreme, coastal regions everywhere are facing a creeping threat: salt. Salinization of freshwater and soils adversely affects 500 million people around the world, especially in low-lying river deltas. A new study sheds light on how rising oceans are pushing saltwater into freshwater rivers and underground water sources in the world's largest river mouth -- the Bengal Delta in Bangladesh. Read more ›

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ScienceDaily
ScienceDaily 3 place · 05/23/2025 12:04 EDT

Different phases of evolution during ice age

Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted and around 700,000 years ago the cold periods doubled in length. This is when many of the current cold-adapted species, as well as extinct ones like mammoths, evolved. Read more ›

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ScienceDaily
ScienceDaily · 05/23/2025 12:04 EDT

Modulation of antiviral response in fungi via RNA editing

The molecular pathways involved in antiviral defenses and counter-defenses in host-pathogen systems remain unclear. Researchers have used Neurospora crassa as a model organism to explore how RNA editing influences fungal antiviral responses. They identified two neighboring genes -- an RNA-editing enzyme (old) and a transcription factor (zao) -- that regulate virus-induced gene expression. Their findings show how the old-zao module controls both asymptomatic and symptomatic infections, providing new insight. Read more ›

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ScienceDaily
ScienceDaily · 05/23/2025 12:03 EDT

Charge radius of Helium-3 measured with unprecedented precision

A research team has achieved a significant breakthrough in determining fundamental properties of atomic nuclei. The team conducted laser spectroscopy experiments on muonic helium-3. Muonic helium-3 is a special form of helium in which the atom s two electrons are replaced by a single, much heavier muon. Read more ›

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ScienceDaily
ScienceDaily · 05/23/2025 12:03 EDT

First vascularized model of stem cell islet cells

Researchers have developed a vascularized organoid model of hormone secreting cells in the pancreas. The advance promises to improve diabetes research and cell-based therapies. Read more ›

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ScienceDaily
ScienceDaily 2 place · 05/23/2025 12:03 EDT

Efficiency upgrade for OLED screens: A route to blue PHOLED longevity

Blue phosphorescent OLEDs can now last as long as the green phosphorescent OLEDs already in devices, researchers have demonstrated, paving the way for further improving the energy efficiency of OLED screens. Read more ›

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ScienceDaily
ScienceDaily 1 place · 05/22/2025 18:32 EDT

New ketamine study promises extended relief for depression

For the nearly 30 percent of major depressive disorder patients who are resistant to treatment, ketamine provides some amount of normalcy, but it requires frequent treatment and can have side effects. Researchers now show in proof-of-concept experiments that it may be possible to extend ketamine's antidepressant effect from about a week to up to two months. Read more ›

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ScienceDaily
ScienceDaily 2 place · 05/22/2025 18:32 EDT

Researchers make breakthrough in semiconductor technology set to supercharge 6G delivery

Self-driving cars which eliminate traffic jams, getting a healthcare diagnosis instantly without leaving your home, or feeling the touch of loved ones based across the continent may sound like the stuff of science fiction. But new research could make all this and more a step closer to reality thanks to a radical breakthrough in semiconductor technology. Read more ›

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ScienceDaily
ScienceDaily · 05/22/2025 18:31 EDT

Brain drain? More like brain gain: How high-skilled emigration boosts global prosperity

As the US national debate intensifies around immigration, a new study is challenging conventional wisdom about 'brain drain'--the idea that when skilled workers emigrate from developing countries, their home economies suffer. Read more ›

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ScienceDaily
ScienceDaily · 05/22/2025 16:27 EDT

New study reveals how competition between algae is transforming the Gulf of Maine

New research shows how rapidly proliferating turf algae are waging 'chemical warfare' to inhibit the recovery of kelp forests along Maine's warming coast. Read more ›

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ScienceDaily
ScienceDaily 1 place · 05/22/2025 16:27 EDT

The scent of death? Worms experience altered fertility and lifespan when exposed to dead counterparts

Research reveals that for C. elegans worms, the presence of dead members of their species has profound behavioral and physiological effects, leading them to more quickly reproduce and shortening their lifespans. Read more ›

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ScienceDaily
ScienceDaily · 05/22/2025 16:25 EDT

A new approach could fractionate crude oil using much less energy

Engineers developed a membrane that filters the components of crude oil by their molecular size, an advance that could dramatically reduce the amount of energy needed for crude oil fractionation. Read more ›

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ScienceDaily
ScienceDaily · 05/22/2025 16:25 EDT

Ancient DNA used to map evolution of fever-causing bacteria

Researchers have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained and lost genes in the process. Read more ›

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ScienceDaily
ScienceDaily · 05/22/2025 16:25 EDT

Why Europe's fisheries management needs a rethink

Every year, total allowable catches (TACs) and fishing quotas are set across Europe through a multi-step process -- and yet many fish stocks in EU waters remain overfished. A new analysis reveals that politically agreed-upon catch limits are not sustainable because fish stock sizes are systematically overestimated and quotas regularly exceed scientific advice. In order to promote profitable and sustainable fisheries, the researchers propose establishing an independent institution to determine... Read more ›

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ScienceDaily
ScienceDaily 1 place · 05/22/2025 16:25 EDT

Scientists have figured out how extinct giant ground sloths got so big and where it all went wrong

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Read more ›

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ScienceDaily
ScienceDaily · 05/22/2025 13:35 EDT

'Selfish' genes called introners proven to be a major source of genetic complexity

A new study proves that a type of genetic element called 'introners' are the mechanism by which many introns spread within and between species, also providing evidence of eight instances in which introners have transferred between unrelated species in a process called 'horizontal gene transfer,' the first proven examples of this phenomenon. Read more ›

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