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Phys.org / When did kissing evolve? Did humans and Neanderthals smooch?

If I asked you to imagine your dream snog, chances are it wouldn't be with a Neanderthal; burly and hirsute as they may be. However, my team's new research suggests that these squat beefcakes might have been right up your ...

6 hours ago in Biology
Phys.org / New research measures how much plastic is lethal for marine life

Marine animals inevitably eat what we toss in the ocean, including pervasive plastics—but how much is too much?

6 hours ago in Earth
Phys.org / What does climate adaptation actually mean? An expert explains

When climate change is discussed, whether at UN climate summits, in company boardrooms or in the media, the focus is often on mitigation (cutting greenhouse gas emissions to achieve net zero). Adaptation, the practical steps ...

16 hours ago in Earth
Medical Xpress / Arginine supplementation curbs Alzheimer's disease pathology in animal models

Alzheimer's disease (AD), a progressive neurodegenerative disorder, is one of the leading causes of dementia worldwide, and currently has no definitive cure. Although antibody-based therapies that target amyloid β (Aβ) ...

23 hours ago in Neuroscience
Phys.org / Historic Colorado River deal to conserve flows advances after winning key approval from state water board

A yearslong effort to purchase two of the most powerful water rights on the Colorado River has cleared another hurdle after the state water board agreed to manage the rights alongside Western Slope water officials.

15 hours ago in Earth
Phys.org / Theia and Earth were neighbors, new research suggests

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what exactly happened afterward has ...

Nov 20, 2025 in Astronomy & Space
Medical Xpress / Researchers use 3D bioprinted tumor models to transform cancer treatment

In associate professor Mauro Tambasco's lab, researchers at all levels work together to develop innovative approaches to fighting cancer.

17 hours ago in Oncology & Cancer
Phys.org / New magnetic component discovered in the Faraday effect after nearly two centuries

Researchers at the Hebrew University of Jerusalem discovered that the magnetic component of light plays a direct role in the Faraday effect, overturning a 180-year-old assumption that only its electric field mattered.

Nov 19, 2025 in Physics
Phys.org / Potentially distinct structure in Kuiper belt discovered with help of clustering algorithm

A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical units (AU), where an AU is the distance between Earth and the sun. This region consists mostly of ...

Nov 21, 2025 in Astronomy & Space
Medical Xpress / Fluoridated water linked to better adolescent school achievement

Children exposed to recommended levels of fluoride in drinking water show modest cognitive advantages in secondary school, with no clear evidence of harm to cognitive functioning around age 60, according to researchers at ...

Nov 20, 2025 in Neuroscience
Phys.org / Physicists and philosophers have long struggled to understand the nature of time: Here's why

The nature of time has plagued thinkers for as long as we've tried to understand the world we live in. Intuitively, we know what time is, but try to explain it, and we end up tying our minds in knots.

Nov 19, 2025 in Astronomy & Space
Phys.org / Physicists demonstrate the constancy of the speed of light with unprecedented accuracy

In 1887, one of the most important experiments in the history of physics took place. American scientists Michelson and Morley failed to measure the speed of Earth by comparing the speed of light in the direction of Earth's ...

Nov 19, 2025 in Physics