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The structure and function of the kidneys is altered by space flight, with galactic radiation causing permanent damage that would jeopardise any mission to Mars, according to a new study led by researchers from UCL.
Public water wells in communities of color might be disproportionately polluted by pesticides contaminated with harmful per and polyfluoroalkyl substances.
With their 'T-REX' method, researchers developed a glassy, amber-like polymer that can be used for long-term storage of DNA, such as entire human genomes or digital files such as photos.
Alzheimer’s disproportionately affects our community. A special report by the Alzheimer’s Association indicates that 19% of Black adults aged 65 and older have Alzheimer’s dementia compared with 10% of white older adults. Alzheimer’s is a brain disease that is the predominant cause of dementia, a general term for memory loss and other cognitive abilities that are serious enough to interfere with daily life.
A lack of sleep can make it extraordinarily difficult to retain information. Two new studies uncover why this is and what is happening inside the brain during sleep and sleep deprivation to help or harm the formation of memories.
Los Angeles-based City of Hope is partnering with Charles R. Drew University of Medicine and Science, the only historically Black medical school west of the Mississippi River, to educate a more diverse workforce.
Washington, DC, June 14, 2024 — On this month’s podcast, the National Association of County and City Health Officials ’ (NACCHO) Victoria Van de Vate, Director of Government Affairs, and Lauren Mastroberardino, Government Affairs Senior Specialist, provided an outlook on the Fiscal Year 2025 federal funding landscape and the implications for local public health.
Obesity is a global pandemic and a significant public health concern in the United States. The World Health Organization estimated that one in eight people is now living with obesity. Just two years ago, in 2022, 43% of adults were overweight; the stats about worldwide obesity amongst adults have nearly tripled since 1990. In the U.S., four out of five Black women are living with obesity, according to the Office of Minority Health.
Researchers have demonstrated a new method that leverages artificial intelligence (AI) and computer simulations to train robotic exoskeletons to autonomously help users save energy while walking, running and climbing stairs.
Researchers have demonstrated miniature soft hydraulic actuators that can be used to control the deformation and motion of soft robots that are less than a millimeter thick. The researchers have also demonstrated that this technique works with shape memory materials, allowing users to repeatedly lock the soft robots into a desired shape and return to the original shape as needed.
Engineers have developed microscopic robots, known as microrobots, capable of swimming through the lungs to deliver cancer-fighting medication directly to metastatic tumors. This approach has shown promise in mice, where it inhibited the growth and spread of tumors that had metastasized to the lungs, thereby boosting survival rates compared to control treatments.
Flexible piezoelectric sensors are essential to monitor the motions of both humans and humanoid robots. However, existing designs are either are costly or have limited sensitivity. In a recent study, researchers tackled these issues by developing a novel piezoelectric composite material made from electrospun polyvinylidene fluoride nanofibers combined with dopamine.
Researchers are breaking through the difficulties of robotic recognition of various common, yet complex, items. Their layered sensor is equipped with material detection at the surface and pressure sensitivity at the bottom, with a porous middle layer sensitive to thermal changes. An efficient cascade classification algorithm rules out object types in order, from easy to hard, starting with simple categories like empty cartons before moving on to orange peels or scraps of cloth.
Researchers have demonstrated the first chip-based 3D printer, a tiny device that emits reconfigurable beams of visible light into a well of resin that rapidly cures into a solid shape. The advance could enable a 3D printer small enough to fit in the palm of a person's hand.
Neuroscientists found that brains display distinct neural activity when experiencing emotions such as bitter-sweetness. The advance could help solve a longstanding scientific debate: whether 'mixed emotions' arise from unique activity in the brain, or if we're just flip-flopping back and forth between positive and negative feelings.
The need to transition away from fossil fuels to more sustainable energy production is critical. That's why a team of researchers is looking at a potential power source that not only produces no carbon emissions but removes carbon as it works: algae.
Researchers have developed -- and shared -- a process for creating brain cortical organoids -- essentially miniature artificial brains with functioning neural networks.
Scientists are rethinking the evolution of vocal learning in birds. New Zealand's smallest bird, the rifleman or titipounamu, may have a rudimentary version of the talent possessed by parrots, hummingbirds and songbirds.
Researchers have experimentally generated high-density relativistic electron-positron pair-plasma beams by producing two to three orders of magnitude more pairs than previously reported.
A common type of ocean algae plays a significant role in producing a massively abundant compound that helps cool the Earth's climate, new research has discovered.
Nightmare material or truly man's best friend? A team of researchers equipped a dog-like quadruped robot with a mechanized arm that takes air samples from potentially treacherous situations, such as an abandoned building or fire. The robot dog walks samples to a person who screens them for potentially hazardous compounds.
By combining forefront X-ray observations with state-of-the-art supercomputer simulations of the buildup of galaxies over cosmic history, researchers have provided the best modeling to date of the growth of the supermassive black holes found in the centers of galaxies.
The amount of infectious H5N1 influenza viruses in raw milk rapidly declined with heat treatment in laboratory research. However, small, detectable amounts of infectious virus remained in raw milk samples with high virus levels when treated at 72 degrees Celsius (161.6 degrees Fahrenheit) for 15 seconds -- one of the standard pasteurization methods used by the dairy industry.
Researchers found that mental representations known as cognitive maps, located in the hippocampus and entorhinal cortex, are activated when the brain performs mental simulations of a navigational route.
Inspired by the material that makes up oyster and abalone shells, engineers have created a new cement composite that is 17 times more crack-resistant than standard cement and 19 times more able to stretch and deform without breaking. The findings could eventually help increase the crack resistance of a wide range of brittle ceramic materials from concrete to porcelain.
A study led by linguists has found that early linguistic signs of dementia can be detected through the study of the natural speech of senior Singaporeans. The novel study revealed that participants with memory-related mild cognitive impairment spoke less and used fewer, but more abstract, nouns that is consistent with the speech pattern of Alzheimer's patients.
Astronomers have discovered a rare hypervelocity L subdwarf star racing through the Milky Way. More remarkably, this star may be on a trajectory that causes it to leave the Milky Way altogether.
The Western U.S. is heavily reliant on mountain snowpacks and their gradual melt for water storage and supply, and climate change is expected to upend the reliability of this natural process. Many agricultural communities in this part of the country are examining ways to adapt to a future with less water, and new research shows that a focus on supplementing water supply by expanding reservoir capacity won't be enough to avert future water crises.
Rising to power in the wake of the Classic Maya collapse, Chich n Itz was among the largest and most influential cities of the ancient Maya, but much about its political connections and ritual life remain poorly understood. Close kin relationships, including two pairs of identical twins, suggests a connection to the Maya origin myths of the Popol Vuh.
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