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Think of a thin metal layer on a soft polymer film. When the stack gets warm, the metal and the polymer try to grow at different rates. This difference makes the surface buckle into tiny waves. Scientists already knew that the distance between the waves (the wavelength) grows in a straight line as the metal layer gets thicker. This matches simple buckling theory. In the new work, they found that the thickness of the polymer underneath and how much cross‑linker it contains also play a role. Changing these two factors makes the wavelength and the height of the waves shift in a way that is not a straight line and sometimes goes up then down. Using a very sharp microscope (AFM), they saw that when the polymer is highly cross‑linked, the waves start to smooth out a bit over time. The stress i

Steatotic liver disease is very common among adults, yet figuring out who has serious liver scarring through standard checks remains tough. Medical teams often miss early signs of damage, which makes timely care difficult. This situation highlights why we need better detection tools that can spot trouble even when symptoms aren't obvious yet. When doctors can't tell the difference between mild and severe damage quickly, patients might wait too long for treatment. To tackle this, researchers built an AI system meant to predict significant fibrosis across a large U. S. patient group. Their collection contains 43 different health variables including lab results, body size measurements, and lifestyle choices. Because certain outcomes are uncommon, they used a technique named SMOTE to balance t

The study examined how legalizing online sports betting changed health care use. In 2018 only one state allowed such betting. By the end of 2023 the number had jumped to 31. More people now have easy access to gambling. Researchers wanted to see if this spread increased treatment for mental health or substance use. The researchers used a stepped difference-in-differences design. They pulled claims from January 2016 through December 2023. The data covered a large national sample of workers with employer health plans. Participants were men and women aged 18 to 64. The analysis focused on states that passed online betting laws between 2018 and 2022, plus states that had not legalized it by the study’s end. After accounting for other factors, legalization was linked to higher medication use.

The data came from five local health clinics over an eleven‑year period. It included 735 adults diagnosed with shingles. Most of the participants were female, and the majority were fifty or older. The chest and belly region was where the rash appeared most often. At the first visit, doctors gave antiviral drugs to most patients. Many also received pain pills, mainly NSAIDs. Long‑lasting nerve pain developed in 8. 6 % of the group, and every person who had it was already taking some pain relief. Neither antiviral therapy nor feelings of depression or anxiety were clearly linked to this nerve pain. Those who left the clinic without any pain medication at the start had a higher chance of later nerve pain, though the result was not statistically strong. This shows how important it is to treat

By 2050, more than 300,000 children in the world's poorest countries could need hernia surgery each year. That number comes from a major health study tracking data from 1990 to 2023. Right now, about 250,000 new cases happen annually. Deaths have dropped a little, but the total count keeps climbing because populations are growing fast. Babies bear the heaviest burden. Infants make up nearly two-thirds of all hernia deaths and almost half of the years lost to disability. The risk of dying or suffering long-term harm is much higher in nations with the lowest development scores. As countries get richer, these rates fall sharply. But progress is uneven. Population growth is wiping out gains from better medical care. Even though each child's individual risk has gone down over three decades, t

Researchers dug into how body mass index ties to surgery outcomes. Their goal was to find out if race and income level changed those results. They combed through many prior reviews to build a stronger picture. The focus stayed on seven frequent operations where ethnic gaps were known to exist. The findings reveal serious gaps in reporting. Only about one in ten studies listed ethnicity at the start. Even fewer mentioned socioeconomic standing. When researchers finally examined outcomes, just three percent broke them down by group. Most teams simply used BMI when creating their statistical models. One rare study even separated results by BMI inside each racial category. Without this clarity, treatment plans could miss important nuances. These missing pieces make it tough to understand how

COPD often leads to many hospital trips, especially when patients have other health problems and face social difficulties. These individuals are more likely to end up in the emergency room or be readmitted soon after discharge. Researchers wanted to see if a new, coordinated care plan could lower those numbers for the most vulnerable patients. The program began in February 2024 and used the LACE index to flag high‑risk patients. Those with a score above nine, or a score between five and nine plus extra risk factors, were invited to join. The team included doctors, nurses, and social workers who performed thorough assessments. Follow‑up care mixed face‑to‑face visits with remote monitoring devices, allowing early detection of worsening symptoms. Fifty‑three patients took part, with an ave

Long ago people have been linking distant locations for a very long time. When the first large cities appeared, they faced a puzzle: how to keep those far‑flung ties strong without a central government or formal markets. Researchers examined the growth of early towns in the region that is now Mesopotamia, focusing on the period from about 3900 to 3000 BCE. To understand the picture, they gathered the biggest collection of location data available for that era. They then mapped the routes used by people and goods across three successive stages of development. By applying modern methods of studying connections, they could see how the layout of pathways changed over time. At the start, most travel followed the winding rivers, creating a branching pattern that linked nearby villages. Later, g

Chickens raised in tight spaces face serious challenges. When too many birds share limited space, their health suffers. Feed consumption drops and body weight gains stall. Carcass quality falls and profits shrink. Scientists studied how to fix these problems through better nutrition. Researchers took 636 day-old Cobb chicks and split them into three groups based on crowding levels. Some groups had light crowding at 23 kilograms per square meter. Others faced medium crowding at 34 kilograms per square meter. A few endured heavy crowding at 39 kilograms per square meter. Each group also got either zinc or vitamin E added to their food at 100 milligrams per kilogram of dry matter. Birds under heavy crowding showed clear signs of stress. Their bodies released stress hormones and their liver