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Phys.org / Back to the beach: Why did evolution return some animals to the water?

In most narratives, the story of evolution is the story of organisms emerging from the ocean and eventually populating the land. But for some species, that evolution also involved a return trip. Dozens of major mammal and ...

Nov 20, 2025 in Biology
Tech Xplore / Ionic thermoelectric film uses body heat to power LED lights

A research team affiliated with UNIST has unveiled a novel thermoelectric (TE) film, capable of powering LED lights using a mere 1.5°C temperature difference between the human body and ambient air. This innovative technology ...

Phys.org / Genetic engineering reduces plant's chromosome number without affecting its growth

Higher yields, greater resilience to climatic changes or diseases—the demands on crop plants are constantly growing. To address these challenges, researchers of Karlsruhe Institute of Technology (KIT) are developing new ...

Nov 21, 2025 in Biology
Phys.org / Earth's crust under stress: Researchers decipher energy release during earthquakes

Why do some earthquakes release more energy than others? A research team led by Prof. Dr. Armin Dielforder from the University of Greifswald has managed to demonstrate a clear physical connection between the energy released ...

Nov 21, 2025 in Earth
Phys.org / Auction of famed CIA cipher shaken after archive reveals code

It is one of the world's most famous unsolved codes whose answer could sell for a fortune—but two US friends say they have already found the secret hidden by "Kryptos."

Nov 19, 2025 in Other Sciences
Medical Xpress / Underlying cause of Gulf War illness confirmed

Dysfunctional mitochondria, organelles that serve as cellular power generators, appear to cause the symptoms of Gulf War illness (GWI) among tens of thousands of veterans of the Persian Gulf War, UT Southwestern Medical Center ...

Phys.org / Archaeologists reveal second-largest Roman olive oil mill in the Roman Empire

Ca' Foscari University of Venice is co-directing a major international archaeological mission in the Kasserine region of Tunisia. The excavations, focused on the area of ancient Roman Cillium, on the border with present-day ...

Nov 18, 2025 in Other Sciences
Medical Xpress / New implant captures gut-brain signals in awake, moving animals

Scientists have been able to measure the electrical signals in the "second brain in our guts" for the first-ever time, giving renewed understanding to its interconnection with the brain.

Nov 21, 2025 in Neuroscience
Phys.org / From 'mail-order brides' to 'passport bros,' the international dating industry often sells traditional gender roles

Fifteen years ago, when I started studying the international dating industry, few people took the subject seriously. The term "mail-order bride" was treated as a punch line—something outdated, associated with lonely men ...

Nov 22, 2025 in Other Sciences
Medical Xpress / US lung cancer screening fails most patients, according to study

In a study of nearly 1,000 consecutive patients treated for lung cancer at Northwestern Medicine, researchers discovered only 35% would have qualified for screening, according to the U.S. Preventive Services Task Force (USPSTF) ...

Nov 21, 2025 in Oncology & Cancer
Tech Xplore / How small can optical computers get? Scaling laws reveal new strategies

By studying the theoretical limits of how light can be used to perform computation, Cornell researchers have uncovered new insights and strategies for designing energy-efficient optical computing systems.

Phys.org / Quantum calculations expose hidden chemistry of ice

When ultraviolet light hits ice—whether in Earth's polar regions or on distant planets—it triggers a cascade of chemical reactions that have puzzled scientists for decades.

Nov 20, 2025 in Physics