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Phys.org / Nonrepeating photonic crystal may enable more tunable, reliable semiconductor lasers

Over the past two decades, photonic-crystal surface-emitting lasers (PCSELs) have shown promise as a type of advanced semiconductor laser useful in defense- and aerospace-related applications. Typically, these devices are ...

Aug 15, 2026
Medical Xpress / Curiosity has its own neural signal: Brain separates valuable information from water rewards in mice

Often, humans and other animals seek information that can help them complete tasks and attain desired rewards. In some cases, however, they seek information driven simply by curiosity and a desire to obtain knowledge for ...

Aug 14, 2026
Medical Xpress / New gas-switching approach could one day make deep-sea decompression safer and faster

Deep-sea divers must be careful to prevent decompression sickness, also known as "the bends," when ascending from the high-pressure depths of the ocean. Failing to do so can result in anything from muscle cramps and skin ...

Aug 14, 2026
Phys.org / Guangzhou crucibles provide earliest direct evidence of brass-making in East Asia

For centuries, scholars have read ancient documents describing the production of brass in 10th-century A.D. China. The problem was that the earliest physical evidence of brass production would be found nearly 600 years later, ...

Aug 14, 2026
Medical Xpress / Adults 75 and older who stopped statins had similar three-year survival, trial finds

Stopping statins in adults 75 and older with no history of heart disease or stroke does not increase the risk of death over three years compared with continuing statins, although "bad" cholesterol rose around 50% in those ...

Aug 12, 2026
Phys.org / Rings forged from meteorites may have been fashionable among ancient Greek elites

Meteorites provided a rare but ready source of iron for ancient Bronze Age cultures before smelting became common. A new study, published in the Journal of Archaeological Science, sheds light on how the ancient Minoan and ...

Aug 14, 2026
Phys.org / Black-box technologies could undermine confidence in scientific findings

Scientists are increasingly relying on powerful data sources and tools that they often cannot fully understand, inspect or verify, according to a new study.

Aug 15, 2026
Phys.org / Human blood may have helped preserve ancient Chinese rock art for 2,000 years

The Huashan rock art landscape in southern China, close to the border with Vietnam, is a remarkable UNESCO World Heritage site. Thousands of images are painted on river cliffs across more than 80 locations stretching 260 ...

Aug 14, 2026
Medical Xpress / Researchers examine unanticipated benefits of GLP-1 medications

GLP-1 receptor agonists and dual agonists have transformed the treatment of obesity and other metabolic diseases, and a new editorial co-authored by Dr. Steven Heymsfield of LSU's Pennington Biomedical Research Center and ...

Aug 14, 2026
Phys.org / Scientists simulating ant swarms find a 'first mover' can set the colony in motion

In ant colonies, a single ant can be the catalyst for a wave of mob activity, launching brief bursts of coordinated movement involving hundreds or even thousands of swarming workers, according to new simulations from New ...

Aug 15, 2026
Phys.org / Four more belugas arrive at Chicago aquarium from shuttered Canadian theme park

Four more belugas have arrived at a Chicago aquarium as part of a plan to move Canada's last remaining captive whales from a shuttered theme park to aquariums in the United States and Spain.

Aug 15, 2026
Phys.org / Quality vs. quantity: Why 'super-shedders' may not be the superspreaders of disease outbreaks

A host that sheds an abundance of parasites might seem like an obvious disease-spreading threat. But new research suggests that shedding large volumes of parasites does not dictate transmission efficiency—and "super-shedders" ...

Aug 14, 2026