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Phys.org / Amazon climate deal a 'win' for global unity but fossil fuels untouched

Nations sealed a modest agreement at the UN climate summit in the Brazilian Amazon on Saturday as many countries swallowed weaker terms on a fossil fuel phaseout to preserve unity.

Nov 22, 2025 in Earth
Phys.org / Social media use soars as kids drop sports, reading and the arts

In striking new statistics, experts warn of social media's growing grip on young people, with use among children and teens soaring by more than 200% since before COVID and showing no sign of decline.

Nov 18, 2025 in Other Sciences
Phys.org / NASA releases detailed images of rare interstellar comet passing through solar system (Updated)

NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar system.

Nov 19, 2025 in Astronomy & Space
Medical Xpress / How a key protein helps drive healthy longevity by maintaining a precise balance

Researchers at Bar-Ilan University have discovered how the longevity-associated protein Sirt6 orchestrates a delicate molecular balancing act that protects the body from age-related decline and disease. The new findings, ...

Nov 18, 2025 in Gerontology & Geriatrics
Phys.org / The simulated Milky Way: 100 billion stars using 7 million CPU cores

Researchers have successfully performed the world's first Milky Way simulation that accurately represents more than 100 billion individual stars over the course of 10 thousand years. This feat was accomplished by combining ...

Nov 17, 2025 in Astronomy & Space
Medical Xpress / Psychology can change the way food tastes: Here's how to use it to make the most of your meals

Ever eaten while doom-scrolling and realized you barely tasted anything? Or found your favorite pasta strangely bland after a stressful meeting, yet somehow delicious on a relaxed Saturday evening?

Nov 22, 2025 in Psychology & Psychiatry
Phys.org / Light-controlled embryos reveal power of mechanical forces in human development

Only two weeks after fertilization, the first sign of the formation of the three axes of the human body (head/tail, ventral/dorsal, and right/left) begins to appear. At this stage, known as gastrulation, a flat and featureless ...

Nov 20, 2025 in Biology
Medical Xpress / Vision can be rebooted in adults with amblyopia, study suggests

Temporarily anesthetizing the retina briefly reverts the activity of the visual system to that observed in early development and enables growth of responses to the amblyopic eye, new research shows.

Nov 19, 2025 in Neuroscience
Phys.org / 'City of seven ravines': Bronze age metropolis unearthed in the Eurasian steppe

An international team of archaeologists from UCL, Durham University, and Toraighyrov University (Kazakhstan) has uncovered the remains of a vast Bronze Age settlement, Semiyarka, in the Kazakh steppe—a discovery that is ...

Nov 17, 2025 in Other Sciences
Phys.org / Hidden process behind 2025 Santorini earthquakes uncovered

A mysterious swarm of earthquakes that occurred near the Greek island of Santorini in early 2025 was caused by rebounding sheets of magma slicing through Earth's crust, according to a new study by an international team involving ...

Nov 20, 2025 in Earth
Phys.org / Enzyme-free approach gently detaches cells from culture surfaces

Anchorage-dependent cells are cells that require physical attachment to a solid surface, such as a culture dish, to survive, grow, and reproduce. In the biomedical industry, and others, having the ability to culture these ...

Nov 18, 2025 in Biology
Phys.org / Comet sparks scientific fascination, online furor over 'alien' origins

A flying piece of cosmic rock or an alien threat? Comet 3I/ATLAS is hurtling through our solar system and captivating scientists and internet users alike, even prompting Kim Kardashian to ask NASA for answers.

Nov 20, 2025 in Astronomy & Space