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37 noticias recientes

Mathematical framework maps landscape of student knowledge via short quizzes

Mathematical framework maps landscape of student knowledge via short quizzes

When we learn something new, that information does not exist in isolation. It integrates into the complex landscape of our knowledge, forging connections with existing ideas and opening up possibiliti...

Phys.org

Stolen chloroplasts maintained by host-made proteins offer clues to plant cell origins

Stolen chloroplasts maintained by host-made proteins offer clues to plant cell origins

Every plant cell is the product of a biological merger billions of years ago. Chloroplasts are key structures in plants and algae that capture sunlight, but originally they were free-living bacteria t...

Phys.org

Why move antimatter by road? CERN tests a truck-ready antiproton trap

Why move antimatter by road? CERN tests a truck-ready antiproton trap

Scientists in Geneva are taking some antiprotons out for a spin—a very delicate one—in a truck, in a never-tried-before test drive....

Phys.org

XRISM identifies gamma Cas X-ray origin, solving a 50-year-old stellar mystery

XRISM identifies gamma Cas X-ray origin, solving a 50-year-old stellar mystery

Visible to the naked eye in the constellation Cassiopeia, the star γ Cas has puzzled astrophysicists for half a century. It emits X-rays of an intensity and temperature incompatible with what one woul...

Phys.org

Nanoparticles enable large-scale production of advanced cell therapies

Nanoparticles enable large-scale production of advanced cell therapies

Researchers from Xi'an Jiaotong-Liverpool University (XJTLU) in China have developed a streamlined process that makes it easier to produce tiny therapeutic particles released by cells, called exosomes...

Phys.org

Agricultural soils exposed to controversial weedkiller may be unexpected breeding ground for hospital 'superbugs'

Agricultural soils exposed to controversial weedkiller may be unexpected breeding ground for hospital 'superbugs'

Each year, antimicrobial resistance (AMR) is responsible for an estimated 1.1 to 1.4 million deaths worldwide. Now, scientists have found evidence that the spread of AMR isn't always driven by bacteri...

Phys.org

When NASA's experimental technology detects a tsunami, it may help save lives

When NASA's experimental technology detects a tsunami, it may help save lives

A new data visualization illustrates how an experimental NASA technology can provide extra lead time to communities in the path of a tsunami. Called GUARDIAN (GNSS Upper Atmospheric Real-time Disaster...

Phys.org

Yes, AI could boost productivity, but work is about more than maximizing output

Yes, AI could boost productivity, but work is about more than maximizing output

Worries about the British economy have long been dominated by one persistent concern—weak productivity. Since the financial crisis of 2008, growth has stagnated, leaving the UK trailing well behind th...

Phys.org

Why a canceled meeting feels so liberating

Why a canceled meeting feels so liberating

Unless your employer is Lumon Industries, where the "Severance" workday never ends, a canceled meeting can feel like a gift of limitless time. A Rutgers University study published in the Journal of th...

Phys.org

In Hollywood, teams don't stick together long enough to learn from failure, data reveal

In Hollywood, teams don't stick together long enough to learn from failure, data reveal

Hollywood loves a comeback story: a director who flopped and then returned with a masterpiece or the producer who went bust and bounced back with a winner. It's a narrative rooted in the business beli...

Phys.org

Research suggests negative emotions at work can help, depending on leaders' empathy

Research suggests negative emotions at work can help, depending on leaders' empathy

During a widespread crisis, negative emotions don't simply go away once the workday begins. Organizational scholars who study how emotions affect employees tend to assume that negative emotions equal...

Phys.org

Adding 1,000 immigrants tied to 142 more health workers, fewer elderly deaths

Adding 1,000 immigrants tied to 142 more health workers, fewer elderly deaths

New research finds the addition of a thousand new immigrants in a metropolitan area reduces elderly mortality by about 10 deaths than would be typical. Why? Because among the newcomers are foreign-bor...

Phys.org

Drought spurs rise in antibiotic-resistant soil microbes

Drought spurs rise in antibiotic-resistant soil microbes

A new Caltech study indicates that drought increases the abundances of antibiotic-resistant microorganisms in soils, which directly correlates with an increase in antibiotic-resistant infections in ho...

Phys.org

Male bats sing in the rotor-swept zone of wind turbines, potentially raising collision risk

Male bats sing in the rotor-swept zone of wind turbines, potentially raising collision risk

A research team led by the Museum für Naturkunde presents the first evidence that several bat species produce courtship songs in the immediate rotor-swept zone of wind turbines while circling around t...

Phys.org

Biosensor detects early fungal outbreaks, advances plant biotechnology

Biosensor detects early fungal outbreaks, advances plant biotechnology

A new biosensor developed at the Department of Energy's Oak Ridge National Laboratory detects the emerging presence of fungus on plants at the molecular level, paving the way for next-generation crop...

Phys.org

Shift in key cosmic inflation measurement could be a statistical artifact

Shift in key cosmic inflation measurement could be a statistical artifact

For the last few decades, researchers have been studying what the universe looked like in its first seconds. It is generally accepted that the universe expanded exponentially in the first fraction of...

Phys.org

Euthanasia rates for stray dogs triple as more animals enter UK shelters

Euthanasia rates for stray dogs triple as more animals enter UK shelters

A stark rise in the number of stray dogs being euthanized across the UK and the Republic of Ireland, with rates more than tripling over a three-year period, are revealed in a new collaborative study....

Phys.org

Gran Dolina site at Atapuerca reveals almost exclusive use of local chert 400,000 years ago

Gran Dolina site at Atapuerca reveals almost exclusive use of local chert 400,000 years ago

A paper published in the journal Quaternary International reveals a distinctive technological behavior at level TD10.2-BB of Gran Dolina (Atapuerca, Burgos), characterized by the almost exclusive use...

Phys.org

New findings on the first steps in protein synthesis

New findings on the first steps in protein synthesis

In the earliest phase of creating human proteins, the protein complex NAC performs an essential task by starting the first steps toward folding proteins into their correct three-dimensional structures...

Phys.org

Single-cell sequencing reveals unexpected protist diversity

Single-cell sequencing reveals unexpected protist diversity

Researchers from the Earlham Institute, in collaboration with the Department of Biology at the University of Oxford, have discovered three previously unrecognized lineages of the protist Bodo, each wi...

Phys.org

Why cultivating drought-resistant plants disappoints: Soil physics may be the real bottleneck

Why cultivating drought-resistant plants disappoints: Soil physics may be the real bottleneck

Plants need water, light, and air to thrive. But when they transport water from the soil up to their leaves, they defy gravity. Scientists describe this astonishing phenomenon as "negative water poten...

Phys.org

A sudden surge in luminosity: Stacked dyes hint at brighter organic semiconductors

A sudden surge in luminosity: Stacked dyes hint at brighter organic semiconductors

In nature, a certain size is often a prerequisite for biomolecules to perform their specific functions. For example, for proteins or DNA to fulfill their vital tasks, they must be folded in a precise...

Phys.org

Chaos as a matter of direction: Researchers build layered material where order and disorder coexist

Chaos as a matter of direction: Researchers build layered material where order and disorder coexist

Some materials behave unexpectedly. They crack differently than expected, or react in ways that are hard to explain. The answer often lies in their atomic structure. Is it neatly arranged, as in a cry...

Phys.org

From slices to whole bodies: How 3D cell atlases could reshape pathology research

From slices to whole bodies: How 3D cell atlases could reshape pathology research

In conventional pathology and physiology research, two-dimensional (2D) analysis—observing thinly sliced tissue sections—has been mainstream, making it difficult to comprehensively understand the dist...

Phys.org

Is the biggest march in English history a myth? My research shows King Harold sailed down to the battle of Hastings

Is the biggest march in English history a myth? My research shows King Harold sailed down to the battle of Hastings

In 1066, England was invaded by multiple foreign powers. A northern force led by King Harald Hardrada of Norway advanced on York via the River Humber, while a southern force, led by Duke William of No...

Phys.org

Study reshapes understanding of interaction between organelles in animal cells

Study reshapes understanding of interaction between organelles in animal cells

Findings from a new University of Cincinnati study have reshaped the fundamental understanding of how a certain cell organelle prepares its environment for cellular digestion. The study, led by UC's J...

Phys.org

High-pressure freezing boosts cell survival with less cryoprotectant, study shows

High-pressure freezing boosts cell survival with less cryoprotectant, study shows

A high-pressure method of instantaneously freezing cells has proven to be effective in the first empirical validation of its kind. Through further development, the method holds promise in finding broa...

Phys.org

First quantum oscillations observed in gallium nitride holes

First quantum oscillations observed in gallium nitride holes

Gallium nitride, a semiconductor that can operate at high voltages, temperatures, and frequencies, has enabled technologies from LED lighting to high-power electronics. Now Cornell researchers have ob...

Phys.org

Engineered E. coli can monitor arsenic, offering a cheap biosensor

Engineered E. coli can monitor arsenic, offering a cheap biosensor

Cornell scientists have engineered E. coli to act as a sensitive biosensor for monitoring environmental arsenic, a toxic pollutant most notably found in rice paddies in Southeast Asia. Their new study...

Phys.org

Record-smashing heat continues: 'Basically the entire U.S. is going to be hot'

Record-smashing heat continues: 'Basically the entire U.S. is going to be hot'

After smashing March heat records in 14 states and the U.S. as a whole, the gigantic heat dome that's baked the Southwest is creeping eastward and may end up being one of the most expansive heat waves...

Phys.org

CryoPRISM: A new tool for observing cellular machinery in a more natural environment

CryoPRISM: A new tool for observing cellular machinery in a more natural environment

The blobfish, once considered the ugliest animal in the world, has since had quite the redemption arc. Years after it was first discovered, scientists realized that the deep-sea creature appeared so u...

Phys.org

Researchers reveal m6A epigenetic modification controls arbovirus infection and transmission

Researchers reveal m6A epigenetic modification controls arbovirus infection and transmission

Arthropod-borne viruses (arboviruses), such as dengue and Zika viruses, transmit widely across the globe, posing threats to human health and biosecurity. They spread through the bites of arthropod vec...

Phys.org

Roll-call votes may understate polarization in Congress, study finds

Roll-call votes may understate polarization in Congress, study finds

For decades, scholars have estimated the ideology of members of Congress by analyzing roll-call votes, recorded tallies of each member's "yea-or-nay" on legislation. But a new study from the Universit...

Phys.org

Prolonged exposure to microplastics disrupts the metabolism of Mediterranean octocorals, finds study

Prolonged exposure to microplastics disrupts the metabolism of Mediterranean octocorals, finds study

Prolonged exposure to microplastics can disrupt vital physiological processes in gorgonians, such as respiration. Although these pollutants do not cause visible damage to tissues and cells, their effe...

Phys.org

Astronomers discover 87 stellar stream candidates in the Milky Way

Astronomers discover 87 stellar stream candidates in the Milky Way

Stellar streams are trails of stars that astronomers can study to solve mysteries about the history of our Milky Way galaxy and, potentially, the dark matter that helps shape the cosmos despite eludin...

Phys.org

Astrophysicists resolve 'negative superhump' conundrum of deep-space binary star systems

Astrophysicists resolve 'negative superhump' conundrum of deep-space binary star systems

New UNLV-led research is helping to unravel clues to a cosmic mystery that has eluded scientists for decades. Cataclysmic variables (CVs) are binary star systems in which primary stars—incredibly dens...

Phys.org

One step closer to deciphering TOR, the molecular machinery that makes humans and yeast grow

One step closer to deciphering TOR, the molecular machinery that makes humans and yeast grow

The name might sound like a Nordic god, but it is actually the molecular machinery that allows many different species to eat and grow: fungi, plants, whales, humans, flies. It is the mighty TOR protei...

Phys.org

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Phys.org

37 noticias recientes

Mathematical framework maps landscape of student knowledge via short quizzes

Stolen chloroplasts maintained by host-made proteins offer clues to plant cell origins

Why move antimatter by road? CERN tests a truck-ready antiproton trap

XRISM identifies gamma Cas X-ray origin, solving a 50-year-old stellar mystery

Nanoparticles enable large-scale production of advanced cell therapies

Agricultural soils exposed to controversial weedkiller may be unexpected breeding ground for hospital 'superbugs'

When NASA's experimental technology detects a tsunami, it may help save lives

Yes, AI could boost productivity, but work is about more than maximizing output

Why a canceled meeting feels so liberating

In Hollywood, teams don't stick together long enough to learn from failure, data reveal

Research suggests negative emotions at work can help, depending on leaders' empathy

Adding 1,000 immigrants tied to 142 more health workers, fewer elderly deaths

Drought spurs rise in antibiotic-resistant soil microbes

Male bats sing in the rotor-swept zone of wind turbines, potentially raising collision risk

Biosensor detects early fungal outbreaks, advances plant biotechnology

Shift in key cosmic inflation measurement could be a statistical artifact

Euthanasia rates for stray dogs triple as more animals enter UK shelters

Gran Dolina site at Atapuerca reveals almost exclusive use of local chert 400,000 years ago

New findings on the first steps in protein synthesis

Single-cell sequencing reveals unexpected protist diversity

Why cultivating drought-resistant plants disappoints: Soil physics may be the real bottleneck

A sudden surge in luminosity: Stacked dyes hint at brighter organic semiconductors

Chaos as a matter of direction: Researchers build layered material where order and disorder coexist

From slices to whole bodies: How 3D cell atlases could reshape pathology research

Is the biggest march in English history a myth? My research shows King Harold sailed down to the battle of Hastings

Study reshapes understanding of interaction between organelles in animal cells

High-pressure freezing boosts cell survival with less cryoprotectant, study shows

First quantum oscillations observed in gallium nitride holes

Engineered E. coli can monitor arsenic, offering a cheap biosensor

Record-smashing heat continues: 'Basically the entire U.S. is going to be hot'

CryoPRISM: A new tool for observing cellular machinery in a more natural environment

Researchers reveal m6A epigenetic modification controls arbovirus infection and transmission

Roll-call votes may understate polarization in Congress, study finds

Prolonged exposure to microplastics disrupts the metabolism of Mediterranean octocorals, finds study

Astronomers discover 87 stellar stream candidates in the Milky Way

Astrophysicists resolve 'negative superhump' conundrum of deep-space binary star systems

One step closer to deciphering TOR, the molecular machinery that makes humans and yeast grow

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Phys.org

37 noticias recientes

Mathematical framework maps landscape of student knowledge via short quizzes

Stolen chloroplasts maintained by host-made proteins offer clues to plant cell origins

Why move antimatter by road? CERN tests a truck-ready antiproton trap

XRISM identifies gamma Cas X-ray origin, solving a 50-year-old stellar mystery

Nanoparticles enable large-scale production of advanced cell therapies

Agricultural soils exposed to controversial weedkiller may be unexpected breeding ground for hospital 'superbugs'

When NASA's experimental technology detects a tsunami, it may help save lives

Yes, AI could boost productivity, but work is about more than maximizing output

Why a canceled meeting feels so liberating

In Hollywood, teams don't stick together long enough to learn from failure, data reveal

Research suggests negative emotions at work can help, depending on leaders' empathy

Adding 1,000 immigrants tied to 142 more health workers, fewer elderly deaths

Drought spurs rise in antibiotic-resistant soil microbes

Male bats sing in the rotor-swept zone of wind turbines, potentially raising collision risk

Biosensor detects early fungal outbreaks, advances plant biotechnology

Shift in key cosmic inflation measurement could be a statistical artifact

Euthanasia rates for stray dogs triple as more animals enter UK shelters

Gran Dolina site at Atapuerca reveals almost exclusive use of local chert 400,000 years ago

New findings on the first steps in protein synthesis

Single-cell sequencing reveals unexpected protist diversity

Why cultivating drought-resistant plants disappoints: Soil physics may be the real bottleneck

A sudden surge in luminosity: Stacked dyes hint at brighter organic semiconductors

Chaos as a matter of direction: Researchers build layered material where order and disorder coexist

From slices to whole bodies: How 3D cell atlases could reshape pathology research

Is the biggest march in English history a myth? My research shows King Harold sailed down to the battle of Hastings

Study reshapes understanding of interaction between organelles in animal cells

High-pressure freezing boosts cell survival with less cryoprotectant, study shows

First quantum oscillations observed in gallium nitride holes

Engineered E. coli can monitor arsenic, offering a cheap biosensor

Record-smashing heat continues: 'Basically the entire U.S. is going to be hot'

CryoPRISM: A new tool for observing cellular machinery in a more natural environment

Researchers reveal m6A epigenetic modification controls arbovirus infection and transmission

Roll-call votes may understate polarization in Congress, study finds

Prolonged exposure to microplastics disrupts the metabolism of Mediterranean octocorals, finds study

Astronomers discover 87 stellar stream candidates in the Milky Way

Astrophysicists resolve 'negative superhump' conundrum of deep-space binary star systems