Imagine a busy restaurant: dishes clattering, music playing, people talking loudly over one another. It's a wonder that anyone in that kind of environment can focus enough to have a conversation. A new study provides some of the most detailed insights yet into the brain mechanisms that help people pay attention amid such distraction, as well as what's happening when they can't focus. Read more ›
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Adults who had amblyopia ('lazy eye') in childhood are more likely to experience hypertension, obesity, and metabolic syndrome in adulthood, as well as an increased risk of heart attack, finds a new study. Read more ›
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Sound waves thought to be from a 2014 meteor fireball north of Papua New Guinea were almost certainly vibrations from a truck rumbling along a nearby road, new research shows. The findings raise doubts that materials pulled last year from the ocean are alien materials from that meteor, as was widely reported. Read more ›
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A widespread bacteria called Wolbachia and a virus that it carries can cause sterility in male insects by hijacking their sperm, preventing them from fertilizing eggs of females that do not have the same combination of bacteria and virus. A new study has uncovered how this microbial combination manipulates sperm, which could lead to refined techniques to control populations of agricultural pests and insects that carry diseases like Zika and... Read more ›
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The COVID vaccine is safe to administer during pregnancy, researchers report in an important finding on the safety of the vaccine in infants -- despite widespread fear and misinformation. Read more ›
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The James Webb Space Telescope makes one of the most unexpected findings within its first year of service: A high number of faint little red dots in the distant Universe could change the way we understand the genesis of supermassive black holes. Read more ›
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Four children have remained free of detectable HIV for more than one year after their antiretroviral therapy (ART) was paused to see if they could achieve HIV remission, according to new research. The children, who acquired HIV before birth, were enrolled in a clinical trial in which an ART regimen was started within 48 hours of birth and then closely monitored for drug safety and HIV viral suppression. The outcomes... Read more ›
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More than 70% of American Indian young adults aged 20-39 and 50% of American Indian teens have cholesterol levels or elevated fat in the blood that put them at risk for cardiovascular disease, a new study suggests. In some cases, these levels -- specifically high low-density lipoprotein (LDL) cholesterol, often thought of as 'bad cholesterol,' -- were linked to plaque buildup and cardiovascular events, such as heart attack and stroke. Read more ›
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A galaxy that suddenly stopped forming new stars more than 13 billion years ago has been observed by astronomers. Using the James Webb Space Telescope, astronomers have spotted a 'dead' galaxy when the universe was just 700 million years old, the oldest such galaxy ever observed. Read more ›
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Neutron star mergers are a treasure trove for new physics signals, with implications for determining the true nature of dark matter, according to physicists. Read more ›
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Researchers have uncovered a strikingly similar suite of changes in gene activity in brain tissue from people with schizophrenia and from older adults. These changes suggest a common biological basis for the cognitive impairment often seen in people with schizophrenia and in the elderly. Read more ›
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A recent study analyzed individuals from diverse backgrounds and identified various genetic clusters involved in a broad range of biological mechanisms that may help explain ancestry-associated differences in type 2 diabetes clinical presentations. Read more ›
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Invasive plants can stay dormant for decades or even centuries before rapidly expanding and wreaking ecological havoc, finds a new study. Read more ›
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'Random DNA' is naturally active in the one-celled fungi yeast, while such DNA is turned off as its natural state in mammalian cells, despite their having a common ancestor a billion years ago and the same basic molecular machinery, a new study finds. Read more ›
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A link between abnormal blood levels of amyloid -- a protein associated with Alzheimer's disease -- and subtle changes in brain microstructures on a type of MRI could lead to a new way to detect Alzheimer's earlier in people with no clinical signs. Read more ›
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The findings suggest that subtropical seagrasses are less resilient to heavy grazing from marine herbivores, in part because they receive less sunlight relative to their tropical counterparts. As tropical herbivores move into subtropical waters, overgrazing may prevent subtropical seagrass meadows from persisting in these environments. Read more ›
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Epigenetic changes play important roles in cancer, metabolic and aging-related diseases, but also during loss of resilience as they cause the genetic material to be incorrectly interpreted in affected cells. A major study now provides important new insights into how complex epigenetic modification signatures regulate the genome. This study will pave the way for new treatments of diseases caused by faulty epigenetic machineries. Read more ›
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Open any astronomy textbook to the section on white dwarf stars and you'll likely learn that they are 'dead stars' that continuously cool down over time. Astronomers are challenging this theory after discovering a population of white dwarf stars that stopped cooling for more than eight billion years. Read more ›
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A recent study provides critical insights into the reliability and robustness of patient-derived organoids as a clinical model of pancreatic cancer. The findings reveal that organoids' gene expression and drug responses are not affected by the brand of extracellular matrix used in the cell culture. However, one commercial product did increase the growth rate of pancreatic tumor organoids, making it particularly well-suited for the fast pace of pancreatic cancer treatment... Read more ›
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Precision timing and synchronization are crucial for navigation, communication and radar systems. Scientists have built compact chips capable of converting light into microwaves, which could improve these systems. This technology shrinks a tabletop system into a chip-sized format, reducing power usage and making it more applicable for use in everyday devices. Read more ›
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22.07.2026 07:29
Last update: 07:20 EDT.
News rating updated: 14:20.
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