In people's early- to mid-20s, they reach what is called peak bone mineral density, which is higher for men than it is for women, according to researchers. This peak is one of the main determinants of fracture risk later in life. After reaching this peak, a person's bone density remains roughly stable for a couple of decades. Then, when women enter the menopausal transition, they experience accelerated bone loss. Men... Read more ›
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Move over, graphene. There's a new, improved two-dimensional material in the lab. Borophene, the atomically thin version of boron first synthesized in 2015, is more conductive, thinner, lighter, stronger and more flexible than graphene, the 2D version of carbon. Now, researchers have made the material potentially more useful by imparting chirality -- or handedness -- on it, which could make for advanced sensors and implantable medical devices. Read more ›
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How well bees tolerate temperature extremes could determine their ability to persist in a changing climate. But heat tolerance varies between and within populations, so entomologists examined bee physical traits to understand how these traits interact with environmental conditions, pathogens and other factors. Read more ›
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Fatty liver disease often leads to chronic liver inflammation and can even result in liver cancer. Scientists have now shown in mice that intermittent fasting on a 5:2 schedule can halt this development. The fasting regime reduces the development of liver cancer in mice with pre-existing liver inflammation. The researchers identified two proteins in liver cells that are jointly responsible for the protective effect of fasting. An approved drug can... Read more ›
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A research group explores how the makeup of rocks, specifically their permeability -- or how easily fluids can flow through them -- affects the frequency and intensity of slow slip events. Slow slips' role in the earthquake cycle may help lead to a better model to predict when earthquakes happen. Read more ›
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For people with HIV, the risk of anal cancer varies according to their geographic region. Read more ›
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Researchers used a breast cancer cell line panel and primary tumor explants from breast and cervical cancer patients to examine two different cellular contractility modes: one that generates collective tissue surface tension that keeps cell clusters compact and another, more directional, contractility that enables cells to pull themselves into the extracellular matrix. They found that more aggressive cells pull more strongly on the ECM than on themselves while noninvasive cells... Read more ›
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In an exploratory clinical trial, four male patients diagnosed with major depressive disorder underwent eight weeks of treatment with a device that generates a low-frequency ultralow magnetic field environment (ELF-ELME). An improvement in depressive symptoms was observed, with no adverse effects, among all patients. If the efficacy of the device can be confirmed in larger clinical trials with a control group, this therapy could serve as an alternative treatment for... Read more ›
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In one of the first studies of its kind, UC Santa Barbara researchers have found that the immune status of postpartum mothers shifts with how she feeds her baby. Certain inflammatory proteins -- substances that are secreted as part of an immune response -- peak at different times of day, correlating with whether the mothers breastfeed, pump or formula-feed their babies. Read more ›
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A feast cooked up has revealed singlet oxygen, an oxidant, indoors. Oxidants can be beneficial -- ozone in the stratosphere is one example -- but can also cause stress to our lungs, contributing to the development of cancer, diabetes, and heart disease in the long term. Read more ›
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A new computational model simulating fruit fly wing development has enabled researchers to identify previously hidden mechanisms behind organ generation. An research team developed a fruit fly model to reverse engineer the mechanisms that generate organ tissue. Read more ›
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The earliest stages of mammalian embryo development are like an orchestra performance, where everyone must play at the exact right moment and in perfect harmony. New research identifies one of the conductors making sense of the chaos. Read more ›
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Understanding how mucus changes, and what it changes in response to, can help diagnose illnesses and develop treatments. Researchers develop a system to grow mucus-producing intestinal cells and study the characteristics of the mucus in different conditions. The process involves growing a layer of intestinal cells on a laboratory plate exposed to air. These cells produce a layer of mucus that the researchers can easily access for testing. Using a... Read more ›
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Finding reliable, eco-friendly power sources is crucial as our world grapples with increasing energy needs and the urgent call to combat climate change. Solar energy offers one solution, with scientists devising ever more efficient materials for capturing sunlight. Read more ›
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In the ever-expanding search for energy resources, a new study has emerged from Mozambique's Maniamba Basin. Mozambique's Maniamba Basin could be a big source of natural gas. Read more ›
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The world's largest study of cerebral palsy (CP) genetics has discovered genetic defects are most likely responsible for more than a quarter of cases in Chinese children, rather than a lack of oxygen at birth as previously thought. Read more ›
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Discharge from ships with so-called scrubbers cause great damage to the Baltic Sea. A new study shows that these emissions caused pollution corresponding to socio-economic costs of more than EUR 680 million between 2014 and 2022. At the same time, the researchers note that the shipping companies' investments in the much-discussed technology, where exhaust gases are 'washed' and discharged into the sea, have already been recouped for most of the... Read more ›
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Researchers have found that herpesvirus infection modifies the structure and normal function of the mitochondria in the host cell. The new information will help to understand the interaction between herpesvirus and host cells. Knowledge can be utilized in the development of viral treatments. Read more ›
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Researchers have invented a breakthrough technique for manufacturing highly purified silicon that brings powerful quantum computers a big step closer. Read more ›
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Researchers reveal a new pathway for designing optical materials using the degree of atomic disorder. The researchers anticipate developing crystals that enable advanced infrared imaging in low light conditions, or to enhance medical imaging devices. Read more ›
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13.07.2026 16:41
Last update: 16:35 EDT.
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