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Phys.org / Surprising ingredients suggest ancient Egyptian paint was far more complex than previously assumed

Ancient Egypt has left us a wealth of artistic treasures, including wall paintings, wooden coffins and limestone reliefs. Many retain their vibrant colors despite the passage of time, a testament to the ingredients used to ...

8 hours ago
Phys.org / Parental care can influence evolution, beetle experiments show

How has offspring dependence on parents evolved over the course of evolution? Researchers at the University of Bayreuth, in collaboration with Kyoto University, Japan, have investigated one possible mechanism by studying ...

4 hours ago
Phys.org / A few minutes of freezing can change the fate of iron in nature

Just a few minutes of freezing and thawing can have a decisive impact on how ferrihydrite, the most reactive iron mineral in cold soils, permafrost and glaciers, transforms, according to researchers at Umeå University. As ...

4 hours ago
Phys.org / Discovery reveals rapid pathways to complex aromatic molecules in space

A team of researchers led by the University of Hawaiʻi at Mānoa Department of Chemistry has uncovered a faster way large carbon-based molecules may form in space, helping solve a long-standing mystery about how some of the ...

2 hours ago
Phys.org / Ancient DNA reveals cacao was consumed in present-day Georgia 1,000 years ago

One of the world's favorite sweet treats, chocolate, may have been enjoyed in eastern North America much earlier than previously thought, about 1,000 years ago. New research published in the journal PLOS One suggests that ...

10 hours ago
Phys.org / How bacteria develop resistance to programmable antibiotics

Antimicrobial resistance is one of the greatest challenges facing modern medicine. A new class of programmable antibiotics known as asobiotics can be used to treat bacterial infections when classical antibiotics fail. A team ...

5 hours ago
Phys.org / Study reveals inter-city collaboration on emission reduction boosts sustainability performance

With Hong Kong recently recording record-breaking high temperatures, extreme weather has once again raised public awareness of global warming and emission-reduction measures. A large-scale international study led by The Hong ...

2 hours ago
Phys.org / Tsunami of dirt: What caused Nepal's deadly glacial flood?

More than 150 people are dead and hundreds more are missing after an enormous wave of water, ice, mud and rock cascaded more than 170 kilometers (106 miles) down the Bhote Koshi River valley in Nepal. The valley is the main ...

6 hours ago
Phys.org / AI model designs potentially stable protein sequences beyond those found in nature

A protein's function is determined by its structure, and structure—the way a protein folds—is determined by its sequence of amino acids, the building blocks of proteins.

2 hours ago
Phys.org / Candida fungi can burst immune cells and shape-shift to evade immunity

Candida auris and Candida albicans are microscopic fungi that cause life-threatening human infections, killing almost a million people globally every year. The World Health Organization lists both species among the top four ...

6 hours ago
Phys.org / Going beyond simple models of neural networks: Extended mean-field theory offers a better approach

Physics is most readily applied to relatively simple systems: a pendulum, two electrons colliding or the structure of the solar system. But when systems become complicated—when many particles interact with one another, in ...

13 hours ago
Medical Xpress / Largest ever molecular map of autism opens new paths to precision therapies

For more than two decades, researchers have identified hundreds of genes that increase the risk of autism spectrum disorder (ASD). Yet multiple fundamental questions have remained unanswered: Among them, how do mutations ...

6 hours ago