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Phys.org / The microbiome of an entire country mapped for the first time

An international research team led by Aalborg University with contributions from the University of Vienna has systematically mapped the microbiome of an entire country for the first time. In the study "Microflora Danica," ...

Dec 4, 2025 in Biology
Phys.org / Free climbers discover remnants of ancient sea turtle stampede in Italy

Rocks have been found to hold many traces of Earth's ancient history, but usually geologists have to seek them out. Every once in a while, however, these imprints of times past are found by unsuspecting visitors. This occurred ...

Dec 3, 2025 in Biology
Tech Xplore / Aerial microrobot can fly as fast as a bumblebee

In the future, tiny flying robots could be deployed to aid in the search for survivors trapped beneath the rubble after a devastating earthquake. Like real insects, these robots could flit through tight spaces larger robots ...

Dec 3, 2025 in Robotics
Phys.org / Smart material instantly changes colors on demand for use in textiles and consumer products

Scientists have developed a revolutionary technique for creating colors that can change on command. These are structural colors that don't rely on dyes or pigments and can be used for display signage, adaptive camouflage ...

Dec 3, 2025 in Nanotechnology
Phys.org / Interstellar object covered in 'icy volcanoes' could rewrite our understanding of how comets formed

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers also discovered that the ...

Dec 3, 2025 in Astronomy & Space
Medical Xpress / Brain enzyme that drives nicotine addiction and smoking dependence identified

Nicotine addiction remains one of the most persistent public health challenges worldwide, driven by changes in the brain that reinforce repeated use and make quitting extremely difficult. For decades, scientists have focused ...

Dec 4, 2025 in Neuroscience
Phys.org / Fearless frogs feast on deadly hornets

A remarkable resistance to venom has been discovered in a frog that feasts on hornets despite their deadly stingers. This frog could potentially serve as a model organism for studies on mechanisms underlying venom tolerance.

Dec 4, 2025 in Biology
Phys.org / Iron-based magnetic material achieves major reduction in core loss

A research team from NIMS, Tohoku University and AIST has developed a new technique for controlling the nanostructures and magnetic domain structures of iron-based soft amorphous ribbons, achieving more than a 50% reduction ...

Dec 4, 2025 in Physics
Tech Xplore / 'OCTOID,' a soft robot that changes color and moves like an octopus

Underwater octopuses change their body color and texture in the blink of an eye to blend perfectly into their surroundings when evading predators or capturing prey. They transform their bodies to match the colors of nearby ...

Dec 4, 2025 in Robotics
Phys.org / First discoveries from new Subaru Telescope program reveal massive planet and brown dwarf

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars. The discoveries are the first results from OASIS (Observing Accelerators with SCExAO Imaging Survey), ...

Dec 4, 2025 in Astronomy & Space
Tech Xplore / A smarter way for large language models to think about hard problems

To make large language models (LLMs) more accurate when answering harder questions, researchers can let the model spend more time thinking about potential solutions.

Dec 4, 2025 in Computer Sciences
Phys.org / Atomic switches bring molecular electronics closer to reality

Silver-based atomic switches that create stable electrical connections between individual molecules and electrodes have been developed by researchers from Japan, addressing a key challenge in wiring molecular electronics. ...

Dec 4, 2025 in Nanotechnology