Scientific Discoveries

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Sheep grazing may pose greater threat to Scotland's wild pollinators than honey bees
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Sheep grazing may pose greater threat to Scotland's wild pollinators than honey bees

Sheep grazing, rather than honey bees, could be the bigger threat to wild pollinators on Scotland's moorlands, according to a new University of Bristol-led study. The research, published in the Journal of Applied Ecology, has found that grazing in spring can remove much of the nectar emerging bumblebees need, while commercial honey bee hives introduced during the summer heather flowering period have a much smaller impact.

📅 2026-09-22 18:40:06    •    Phys.org
A single temporary stimulus may redirect cell fate without permanently altering genes
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A single temporary stimulus may redirect cell fate without permanently altering genes

Which genes need to be controlled to guide a stem cell toward a desired cell type or modulate an immune cell's inflammatory response? A Korean research team has developed a general-purpose computational framework that identifies the key targets needed to steer a cell toward a desired state with a single temporary intervention, without permanently altering its genes.

📅 2026-09-22 18:40:02    •    Phys.org
AI model predicts peptide bitterness and enables novel flavor design
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AI model predicts peptide bitterness and enables novel flavor design

During the production of fermented products such as kefir, Parmesan, or mountain cheese, as well as in the production of protein powders, bitter-tasting peptides can form, which impair the taste and thus the acceptability of the products. A research team led by the Leibniz Institute for Food Systems Biology at the Technical University of Munich has now developed and successfully tested an AI-based method that can predict the bitterness of peptides. It also makes it possible to design new, bitter-tasting peptides from scratch. This is another important step forward in taste and food research.

📅 2026-09-22 18:20:03    •    Phys.org
Rice bran—source for antimicrobial, biodegradable food packaging film
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Rice bran—source for antimicrobial, biodegradable food packaging film

Rice bran is a plentiful agricultural byproduct that is often underused, but research from the Arkansas Agricultural Experiment Station shows it could be a source of biodegradable food packaging with built-in antibacterial properties.

📅 2026-09-22 18:20:01    •    Phys.org
Largest dataset of its kind could clarify how massive stars shaped early galaxies
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Largest dataset of its kind could clarify how massive stars shaped early galaxies

The more astronomers learn about the universe's earliest galaxies, the stranger they seem. Many of their surprising properties may be explained by differences between their massive stars and those in galaxies like our own Milky Way. A new University of Utah-led survey with the Hubble Space Telescope is shedding light on the stellar astrophysics operating in early galaxies.

📅 2026-09-22 18:00:05    •    Phys.org
How amateur naturalists are helping scientists track what everything eats
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How amateur naturalists are helping scientists track what everything eats

An interdisciplinary team of researchers has created an open-source website for learning what different organisms eat and what eats them. The site—called Who Eats Whom—draws on data from a worldwide citizen science platform and serves as both a valuable resource for ecological research and an educational tool to advance public understanding of the global food web.

📅 2026-09-22 18:00:02    •    Phys.org
Electrical control method tunes magnetic properties for next-generation spintronic memory
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Electrical control method tunes magnetic properties for next-generation spintronic memory

A research team led by Professor Jung-Il Hong of the Department of Physics and Chemistry at DGIST has successfully used current pulses to alter the spin configuration within a ferrimagnetic material, lowering its "compensation temperature"—the temperature at which opposing magnetizations cancel each other out—by up to approximately 110 K.

📅 2026-09-22 17:40:04    •    Phys.org
Microcrystal electron diffractometer brings hidden hydrogen into focus
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Microcrystal electron diffractometer brings hidden hydrogen into focus

Hydrogen—the lightest atom—does the heavy lifting when it comes to important chemical reactions. It can be stored and released as clean fuel, and its movements help catalysts build medicines, fertilizers and materials. One way hydrogen is available for use is through a hydride—a hydrogen (H) atom bound to a metal. Yet with standard tools, this metal-bound atom can be hard to find in the structure.

📅 2026-09-22 17:20:05    •    Phys.org
VR boosts English vocabulary scores for students with dyslexia, pilot study finds
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VR boosts English vocabulary scores for students with dyslexia, pilot study finds

Virtual reality (VR) could be a new tool to help students with dyslexia learn English vocabulary more effectively than conventional instruction alone, according to a pilot study involving 30 learners published in the International Journal of Innovation and Learning. Dyslexia is a learning disability that primarily affects reading and related language skills.

📅 2026-09-22 17:20:04    •    Phys.org
Vera C. Rubin Observatory detects one of the smallest and faintest satellite galaxies ever seen
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Vera C. Rubin Observatory detects one of the smallest and faintest satellite galaxies ever seen

In one of the first major discoveries from the Vera C. Rubin Observatory in Chile, scientists have revealed a previously unknown galaxy orbiting the Milky Way. Described in a study that hasn’t been peer-reviewed, the galaxy, named Aquarius IV, is one of the lightest, faintest and farthest satellite galaxies ever seen. This dim cluster of ancient stars was discovered on the extreme periphery of the Milky Way in early test data from the Rubin Observatory, offering a glimpse of the telescope's impressive abilities and shedding new light on our cosmic neighborhood. Ultrafaint dwarf galaxies (UFDGs) are among the tiniest and faintest galaxies in the universe. These dim little clusters contain at ...

📅 2026-09-22 17:12:25    •    Live Science