Phys.org news

Phys.org / Ancient Alaskan site may help explain how the first people arrived in North America

New evidence has emerged that sheds light on the possible first people to populate the Americas. Dating of stone and ivory tools found at an archaeological site in Alaska suggests that these early pioneers traveled through ...

9 hours ago in Other Sciences
Phys.org / 91-qubit processor accurately simulates many-body quantum chaos

Quantum chaos describes chaotic classical dynamical systems in terms of quantum theory, but simulations of these systems are limited by computational resources. However, one team seems to have found a way by leveraging error ...

10 hours ago in Physics
Phys.org / Cells adapt to aging by actively remodeling endoplasmic reticulum, study reveals

Improvements in public health have allowed humankind to survive to older ages than ever before, but, for many people, these added golden years are not spent in good health. Aging is a natural part of life, but it is associated ...

5 hours ago in Biology
Phys.org / A student made cosmic dust in her lab—what she found could help us understand how life started on Earth

A Sydney Ph.D. student has recreated a tiny piece of the universe inside a bottle in her laboratory, producing cosmic dust from scratch. The results shed new light on how the chemical building blocks of life may have formed ...

12 hours ago in Astronomy & Space
Phys.org / Machine learning accelerates plasma mirror design for high-power lasers

Plasma mirrors capable of withstanding the intensity of powerful lasers are being designed through an emerging machine learning framework. Researchers in Physics and Computer Science at the University of Strathclyde have ...

6 hours ago in Physics
Phys.org / Newly identified RNA molecule may drive cancer patient survival

In a recent study, researchers at the Texas A&M University Health Science Center (Texas A&M Health) identify a novel RNA molecule that plays a crucial role in preserving the integrity of a key cellular structure, the nucleolus ...

5 hours ago in Biology
Phys.org / Real-time view inside microreactor reveals 2D semiconductor growth secrets

As the miniaturization of silicon-based semiconductor devices approaches fundamental physical limits, the electronics industry faces an urgent need for alternative materials that can deliver higher integration and lower power ...

5 hours ago in Nanotechnology
Phys.org / Long-period Jupiter-like exoplanet discovered with TESS

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new extrasolar planet transiting a distant star. The newfound alien world, designated TOI-6692 b, is the size ...

12 hours ago in Astronomy & Space
Phys.org / Two-step approach creates more sustainable protein nanostructures for advanced sensing and therapeutics

Gas vesicles are among the largest known protein nanostructures produced and assembled inside microbial cells. These hollow, air-filled cylindrical nanostructures found in certain aquatic microbes have drawn increasing interest ...

6 hours ago in Nanotechnology
Phys.org / A more realistic picture of platinum electrodes

Current electrochemical theory does not adequately describe realistic platinum electrodes. Scientists at Leiden University have now, for the first time, mapped the influence of imperfect platinum surfaces. This provides a ...

6 hours ago in Chemistry
Phys.org / Experiments clear up confusion over the form of solid methane

Through a combination of high-pressure experiments and optical spectroscopy, physicists have revealed new insights into the structural forms of solid methane. Led by Mengnan Wang at the University of Edinburgh in the UK, ...

12 hours ago in Astronomy & Space
Phys.org / Resilience bonds could serve as an insurance solution to address climate change risks

Researchers with Lehigh University's Center for Catastrophe Modeling and Resilience, led by anthropologist David G. Casagrande, have identified two urgent challenges the United States faces in adapting to climate change: ...

6 hours ago in Other Sciences