Meteorites are fragments of asteroids which find their way to Earth as shooting stars and provide information on the origins of our solar system. A team of researchers has examined the so-called Winchcombe meteorite and demonstrated the existence in it of nitrogen compounds such as amino acids and heterocyclic hydrocarbons -- without applying any chemical treatment and by using a new type of detector design. Read more ›
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The first analysis results now confirm that the grave in Tiarp is one of the oldest stone burial chambers in Sweden. The researchers noted that some parts of the people buried in the grave are missing, such as skulls and thigh bones, posing intriguing questions for archaeologists. Read more ›
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Engaging in music throughout your life is associated with better brain health in older age, according to a new study. Scientists working on PROTECT, an online study open to people aged 40 and over, reviewed data from more than a thousand adults over the age of 40 to see the effect of playing a musical instrument -- or singing in a choir -- on brain health. Read more ›
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Researchers showed that biofilm formation can be controlled with laser light in the form of optical traps. The findings could allow scientists to harness biofilms for various bioengineering applications. Read more ›
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Global warming continues to pose a threat to human society and the ecological systems, and carbon dioxide accounts for the largest proportion of the greenhouse gases that dominate climate warming. To combat climate change and move towards the goal of carbon neutrality, researchers have developed a durable, highly selective and energy-efficient carbon dioxide (CO2) electroreduction system that can convert CO2 into ethylene for industrial purposes to provide an effective solution... Read more ›
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An optometry researcher is warning that the use of low-level red-light therapy as a method to control nearsightedness may cause injury to the retina, especially in children. Read more ›
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Calcium ions are essential for cells, but can be toxic in higher concentrations. A team of researchers has now designed and prepared a combination drug that kills tumor cells by modulating the calcium influx into the cell. An external calcium source is not necessary because only the calcium ions already present in the tumor tissue are used, according to a new study. Read more ›
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Great whites, the largest predatory sharks in the world with the most fatal attacks on humans, are tough to imagine as newborn babies. That is partially because no one has seen one in the wild, it seems, until now. Read more ›
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A new qualitative study highlights the negative interpersonal and psychological consequences associated with 'yo-yo dieting,' also known as weight cycling. The work underscores how toxic yo-yo dieting can be and how difficult it can be for people to break the cycle. Read more ›
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A Bay Area wetlands ecosystem that was expected to serve as a carbon sink is emitting surprisingly high levels of methane, a potent greenhouse gas. The study suggests factors governing carbon cycles in these habitats are even more complex than we thought. Read more ›
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Researchers have revealed that hydroxyurea significantly reduces infections in children with sickle cell anemia. Their findings enhance strong evidence of hydroxyurea's effectiveness and could ultimately reduce death in children in Africa, the continent most burdened by the disease. Read more ›
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Five cases of Alzheimer's disease are believed to have arisen as a result of medical treatments decades earlier, reports a team researchers. Read more ›
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An important question for policymakers worldwide is how to make climate and environmental policies acceptable among the populations. A new study sheds light on the preferences in five East African countries. The study shows, among others, that education and information about how revenues from carbon taxes are used are important factors. Read more ›
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Artificial intelligence using neural networks performs calculations digitally with the help of microelectronic chips. Physicists have now created a type of neural network that works not with electricity but with so-called active colloidal particles.The researchers describe how these microparticles can be used as a physical system for artificial intelligence and the prediction of time series. Read more ›
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For decades scientists have been trying to solve Feynman's Sprinkler Problem: How does a sprinkler running in reverse work? Through a series of experiments, a team of mathematicians has figured out how flowing fluids exert forces and move structures, thereby revealing the answer to this long-standing mystery. Read more ›
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Researchers mapped genetic blueprints for 51 species including cats, dolphins, kangaroos, penguins, sharks, and turtles, a discovery that deepens our understanding of evolution and the links between humans and animals. The researchers developed novel algorithms and computer software that cut the sequencing time from months -- or decades in the case of the human genome -- to a matter of days. Read more ›
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Researchers have discovered that a brain area preserved through evolution, called the superior colliculus, is more crucial for vision than we thought. Read more ›
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Pet owners forced to be separated from their animals in crisis situations, including those who are victims of domestic violence, are suffering from a lack of support services needed to protect them. Read more ›
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Large coastal upwelling systems along the eastern margins of the Atlantic and Pacific Oceans are among the most biologically productive and biodiverse regions of the world's oceans. Typically, the strength and timing of upwelling in such systems are linked to the prevailing winds. Interestingly, in some tropical regions, high levels of productivity occur even when the upwelling favorable winds are weak. Read more ›
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Researchers describe how specific gene activity could potentially enhance immune cell production. The researchers wanted to understand the mechanism of why some hematopoietic stem cells produce more immune cells, while other stem cells produce fewer. The research team pioneered new techniques for understanding the quantitative association between immune cell production and gene expression in lab mice. The scientists labeled individual stem cells with genetic 'barcodes' to track their immune cell... Read more ›
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23.07.2026 06:34
Last update: 06:25 EDT.
News rating updated: 13:21.
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