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Phys.org / Unprecedented levels of forever chemicals found in dolphins and whales

New research has revealed that marine mammals who live far below the ocean's surface are not immune from the burden of toxic forever chemicals, with whales and dolphins showing unprecedented levels of PFAS contamination.

Nov 27, 2025 in Earth
Phys.org / Cooperative mammals show lower cancer rates than solitary, competitive species

Cancer is a common disease among mammals, but some species, such as the naked mole rat and elephants, have evolved resistance. According to new research published in the journal Science Advances, this may be because these ...

Nov 24, 2025 in Biology
Phys.org / Thousands of genomes reveal the wild wolf genes in most dogs' DNA

Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia. Domesticated species are the plants and animals that have evolved to live alongside humans, providing ...

Nov 27, 2025 in Biology
Phys.org / Endangered lemurs face new threat from the luxury meat trade

Lemurs, the small primates with bushy tails and large, expressive eyes, are among the world's most endangered species. According to the IUCN (International Union for Conservation of Nature) Red List, of the 112 species of ...

Nov 24, 2025 in Biology
Tech Xplore / Soft robots harvest ambient heat for self-sustained motion

A warm hand is enough to drive motion in tiny Salmonella-inspired robots that harness molecular-level dynamic bonding.

Nov 25, 2025 in Robotics
Medical Xpress / Narcissism and its role in sexually motivated serial killers

Researchers at the University of Bamberg have traced a darkly intricate form of narcissism in sexually motivated male serial killers, reporting that many offenders combine brittle sensitivity with a craving for admiration ...

Nov 24, 2025 in Psychology & Psychiatry
Phys.org / North and Baltic seas show widespread contamination by MRI contrasting agents

A comprehensive study by the CritMET research group, led by Prof. Michael Bau, a geochemist at Constructor University in Bremen, provides evidence of widespread contamination of the North Sea and the Baltic Sea with MRI contrast ...

Nov 26, 2025 in Earth
Phys.org / Recently discovered X-ray transient traced to possible collapsar origin

Using various ground-based and space telescopes, an international team of astronomers has observed a recently discovered fast X-ray transient designated EP 241021a. Results of the multiwavelength observational campaign, published ...

Nov 25, 2025 in Astronomy & Space
Phys.org / DNA transcription is a tightly choreographed event: How RNA polymerase II regulates the dance

Life's instructions are written in DNA, but it is the enzyme RNA polymerase II (Pol II) that reads the script, transcribing RNA in eukaryotic cells and eventually giving rise to proteins. Scientists know that Pol II must ...

Nov 27, 2025 in Biology
Medical Xpress / Musicians drift less in blindfolded walk: Could musical training be utilized in cognitive rehabilitation?

A multi-institutional team of researchers led by Université de Montréal report that extensive musical training can steady the body in space, both with and without guiding sounds, during a blindfolded stepping test.

Nov 25, 2025 in Neuroscience
Phys.org / Drones: An ally in the sky to help save elephants

They say an elephant never forgets—and it turns out they can learn to adapt to drones. Once seen as a source of alarm, drones are now proving to be surprisingly elephant-friendly and a valuable research tool. Previously, ...

Nov 27, 2025 in Biology
Phys.org / Watching metal crystals grow inside liquid metal: Imaging technique could boost hydrogen production

If you dissolve sugar in hot water and then cool it down, you'll see pure sugar crystals form while impurities stay in the liquid. You can even watch the beautiful sugar crystals slowly grow in the water.

Nov 27, 2025 in Chemistry