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Medical Xpress / Gut microbe's protective coating links intestinal colonization to lower inflammation

The human gut harbors more than 40 trillion bacteria assembled into complex communities collectively known as the gut microbiota, which is closely linked to human health and disease. Mediterraneibacter gnavus (formerly Ruminococcus ...

1 hour ago
Phys.org / Connecting surface-level observations to molecular-level data uncovers plant stress coping mechanism

Unlike humans, plants cannot make simple lifestyle adjustments to adapt to changing environments. When exposed to conditions like extreme heat or water scarcity, instead of putting on sweaters or turning on air conditioners, ...

1 hour ago
Phys.org / Ancient stardust grains were seeds for the earliest solids in the solar system

How did the first solids that made up planets, moons and asteroids form from the "hot soup" that characterized our solar system's earliest years? New research from Caltech analyzing pieces of a meteorite has found that, just ...

2 hours ago
Medical Xpress / Newly discovered microprotein linked to type 2 diabetes, shows promise as a precision treatment

A previously unknown microprotein hidden within the human mitochondrial genome may help explain certain forms of type 2 diabetes and could point toward a new precision medicine approach to treating it, according to a new ...

1 hour ago
Phys.org / Physicists create Bose–Einstein condensate from ultracold polar molecules

Bose–Einstein condensates are states of matter that form when particles called bosons are cooled to temperatures that are only a fraction of a degree above absolute zero (i.e., 0 Kelvin [-460°F]). In these states, particles ...

9 hours ago
Phys.org / Tiny sugar chains act as brakes to control calcium and sodium flow in lysosomes

Lysosomes are small compartments inside cells that break down and recycle biological materials. Once regarded mainly as cellular waste-disposal centers, lysosomes are now understood to be important signaling hubs for calcium ...

2 hours ago
Phys.org / Physicists link the Riemann Hypothesis to phase transitions in quantum systems

A new study in Nature Communications has established a link between the Riemann Hypothesis and dynamical phase transitions in engineered quantum systems, demonstrating the effect on a quantum processor.

4 hours ago
Medical Xpress / Brain training app makes adults with ADHD feel sharper but tests show no real change

Once believed to be a condition that children outgrow, attention deficit hyperactivity disorder (ADHD) is now recognized as a lifelong neurodevelopmental condition that often persists into adulthood. For many adults, it can ...

8 hours ago
Phys.org / Tiny fossils crack a Cretaceous cold case: Ocean acidification triggered one of the ocean's most severe extinctions

A 113-million-year-old marine murder mystery may finally be solved. Using chemical clues locked inside microscopic fossils, Northwestern University scientists found evidence that ocean acidification drove one of the largest ...

2 hours ago
Phys.org / Ancient smallpox genomes reveal how European colonization brought the disease to the Americas

Researchers from Trinity College Dublin have recovered and analyzed the first ancient smallpox virus genomes ever identified in the Americas, providing the strongest direct evidence to date that the disease was introduced ...

2 hours ago
Phys.org / Before North and South America were connected, their mammals found a way to intermingle

Until the Panamanian isthmus formed about 2.8 million years ago, North and South America were isolated continents with unique groups of animals. A riot of marsupials—mammals with brood pouches—and sloths in the south contrasted ...

2 hours ago
Tech Xplore / Popular vs. reliable sources—a blind spot in how LLMs assess information

Large language models (LLMs), the artificial intelligence (AI) systems underpinning ChatGPT and similar conversational platforms, are now used by many people worldwide to find and summarize information and generate different ...

9 hours ago