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Tech Xplore / Colorado is pumping the brakes on first-of-its-kind AI regulation to find a practical path forward

When the Colorado Artificial Intelligence Act passed in May 2024, it made national headlines. The law was the first of its kind in the U.S. It was a comprehensive attempt to govern "high-risk" artificial intelligence systems ...

2 hours ago in Business
Phys.org / Ancient Maya game board with unique mosaic design discovered in Guatemala

Centuries before Monopoly, there was Patolli, a high-stakes Mesoamerican game of strategy and luck where players wagered crops and wealth as they raced their opponents around a cross-shaped board.

23 hours ago in Other Sciences
Phys.org / Quantum ground states: Scalable counterdiabatic driving technique enables reliable and rapid preparation

Quantum ground states are the states at which quantum systems have the minimum possible energy. Quantum computers are increasingly being used to analyze the ground states of interesting systems, which could in turn inform ...

23 hours ago in Physics
Tech Xplore / Direct approach can bond and debond 2D semiconductors without any glue-like materials

A key objective of electronics engineers is to further reduce the size of devices, while also boosting their speed, performance and efficiency. Two-dimensional (2D) semiconductors, single-layer and thin materials with a controllable ...

23 hours ago in Engineering
Medical Xpress / Are peanut allergies actually declining?

Peanut allergy is one of the most common food allergies, affecting between 1% and 2% of people living in the West. And, for many years, their prevalence has been rising.

7 hours ago in Inflammatory disorders
Phys.org / Neanderthal women and children were the victims of selective cannibalism at Goyet, study reveals

The study of an assemblage of Neanderthal human bones discovered in the Troisième caverne of Goyet (Belgium) has brought to light selective cannibalistic behavior primarily targeting female adults and children between 41,000 ...

22 hours ago in Other Sciences
Phys.org / Climate change and inequality are connected. Policies need to reflect this

An increasingly strong case is being made to bring inequality into discussions about climate change. The logic behind this has been set out by leading international institutions such as the International Labor Organization, ...

9 hours ago in Earth
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 ...

11 hours ago in Other Sciences
Phys.org / The deep sea and the Arctic must be included in efforts to tackle climate change

This year's COP30 comes after the international Agreement on Marine Biological Diversity of Areas beyond National Jurisdiction (BBNJ) finally acquired the required number of ratification votes by United Nations member states.

11 hours ago in Earth
Dialog / Hydrogenases spill the beans: Key catalytic moves revealed

Hydrogenases catalyze the reversible splitting and production of hydrogen gas (H2), using complex catalytic cofactors comprising Earth-abundant nickel and/or iron ions. These enzymes, especially the [NiFe]-hydrogenases (fig. ...

22 hours ago in Chemistry
Medical Xpress / Not all immune cells are created equal: Memory T cells in tissues outlast those in blood

Memory T cells are a special type of white blood cell that "remember" past infections and vaccines, helping our bodies to quickly respond if we encounter the same germs again. These cells are found throughout the body: some ...

21 hours ago in Immunology
Medical Xpress / Making GLP-1 weight loss drugs cheaper isn't enough to address America's obesity problem. Here's why

The Trump administration is making a significant effort to reduce the cost of weight loss drugs. Its agreement with pharmaceutical giants, announced Nov. 6, 2025, will reduce the monthly prices of these medications by hundreds ...

13 hours ago in Overweight & Obesity