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ScienceDaily · 03/10/2025 13:45 EDT

Researchers successfully prove the solution to Dudeney's 120-year-old dissection puzzle

Over 120 years ago, Henry Ernest Dudeney posed the famous dissection problem of transforming a triangle into a square by cutting it into as few pieces as possible. In a new study, researchers have finally proved that the original solution, which involves only four pieces, is optimal by using a new proof technique. This technique shows for the first time that it is possible to prove the optimality of the... Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:43 EDT

Bad sleep harms old-age memory by disrupting the brain's 'waste removal system'

Poor sleep among older adults is linked to disruptions in the brain's 'waste removal system', according to researchers. A recent study offers valuable insight into how sleep quality impacts brain functioning. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:43 EDT

Receiving low-glucose alerts improves diabetic drivers' safety on the road

A Japanese study has found that the use of continuous glucose monitoring (CGM) devices, equipped with sensors that alert diabetics when their blood sugar levels drop, can potentially make diabetic drivers safer on the road. Those who used the devices had lower incidences of low blood sugar and reported increased confidence in driving. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:43 EDT

Growing consumption of the American eel may lead to it being critically endangered like its European counterpart

To investigate the prevalence and consumption of endangered eels, a research team examined 327 individual eel products purchased across 86 retailers throughout Singapore. The team discovered prevalence of the Anguilla rostrata, commonly known as the American eel, in the sample. While not critically endangered like the European eel, the American eel is also considered an endangered species. The findings suggested a possible shift in trade and consumption of eel to... Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:42 EDT

The two faces of liquid water

Scientists have uncovered a key finding to one of water's unique properties: at high pressure and low temperature, liquid water separates into two distinct liquid phases -- one high-density and one low-density. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:42 EDT

Evolution of plant network: 600 million years of stress

Without plants on land, humans could not live on Earth. From mosses to ferns to grasses to trees, plants are our food, fodder and timber. All this diversity emerged from an algal ancestor that conquered land long ago. The success of land plants is surprising because it is a challenging habitat. On land, rapid shifts in environmental conditions lead to stress, and plants have developed an elaborate molecular machinery for... Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:42 EDT

Decoding the neural basis of affective empathy: How the brain feels others' pain

A research team has uncovered key insights into how the brain processes others' distress. Using miniature endoscopic calcium imaging, the researchers identified specific neural ensembles in the anterior cingulate cortex (ACC) that encode empathic freezing, a behavioral response in which an observer reacts with fear when witnessing distress in others. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:42 EDT

Discovery: The great whale pee funnel moves vital nutrients

Scientists have discovered that whales move nutrients thousands of miles -- in their urine -- from as far as Alaska to Hawaii. These tons of nitrogen support the health of tropical ecosystems and fish, where nitrogen can be limited. They call this movement of nutrients a 'conveyor belt' or 'the great whale pee funnel.' In some places, like Hawaii, the input of nutrients from whales is bigger than from local... Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:42 EDT

AI tool to make genetic research more comprehensive

Researchers have developed PhyloFrame, a machine-learning tool that uses artificial intelligence to account for ancestral diversity in genetic data. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:42 EDT

Are volcanoes behind the oxygen we breathe?

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers provide a mechanism to explain precursor oxygenation events, or 'whiffs,' which may have opened the door for this to occur. Their findings suggest volcanic activity altered conditions enough to accelerate oxygenation, and the whiffs are an indication of this taking... Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:41 EDT

Tuberculosis relies on protective genes during airborne transmission

Scientists discovered genes in the tuberculosis bacterium that becomes essential for the pathogen's survival when it's exposed to air through coughing. These genes could be targets for new therapies that simultaneously treat infection and prevent transmission. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:41 EDT

AI-based math: Individualized support for schoolchildren

Researchers have developed an AI-based learning system that recognizes strengths and weaknesses in mathematics by tracking eye movements with a webcam to generate problem-solving hints. This enables teachers to provide significantly more children with individualized support. Read more ›

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ScienceDaily
ScienceDaily 2 place · 03/10/2025 13:41 EDT

Evidence of a new phenomenon: Quantum tornadoes in momentum space

Researchers have experimentally demonstrated a quantum tornado. Electrons form vortices in the momentum space of the quantum semi-metal tantalum arsenide. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:41 EDT

Humans have a long way to go in understanding a dog's emotions

New research has revealed that people often do not perceive the true meaning of their pet's emotions and can misread their dog. The reasons for this are many and include a human misunderstanding of dog expressions due to a bias towards projecting human emotions onto our pets. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:18 EDT

X-ray snapshot: How light bends an active substance

With the help of the world's most powerful X-ray laser, a research team has achieved an important breakthrough: Using the example of the pharmaceutically active substance 2-thiouracil, they applied a long-established imaging technique to complex molecules. Although 2-thiouracil is no longer applied therapeutically, it is part of a group of chemically similar active substances that are used today as immunosuppressants or cytostatics. The study shows how UV radiation deforms 2-thiouracil,... Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:18 EDT

Limiting screen time protects children's mental health

A recent study suggests that limiting screen time and promoting physical activity from childhood may help safeguard mental health in adolescence. The findings are particularly significant given that mental health problems affect up to 30% of young people and pose a growing societal challenge. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:18 EDT

Worldwide study finds high rates of depression and anxiety in people with chronic pain

A novel analysis of more than 375 published studies concluded that the association between chronic pain and rates of depression and anxiety is staggering. The study found that 40% of adults with chronic pain experienced 'clinically significant depression and anxiety.' Among those most at risk, the analysis showed, were women, younger adults and people with fibromyalgia. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:18 EDT

Cryo-electron microscopy reveals hidden mechanics of DNA replication, sheds new light on cancer target

Researchers shed new light on G-quadruplexes, a type of secondary DNA structure that has attracted attention as a potential therapeutic target in cancer. Read more ›

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ScienceDaily
ScienceDaily 1 place · 03/10/2025 13:17 EDT

Chronic stress and obesity work together to accelerate pancreatic cancer development and growth, study finds

A new study suggests that chronic stress and an unhealthy diet may work together to fuel the early development of pancreatic cancer, shedding light on how lifestyle factors contribute to one of the deadliest malignancies. Read more ›

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ScienceDaily
ScienceDaily · 03/10/2025 13:17 EDT

New technique overcomes spurious correlations problem in AI

AI models often rely on 'spurious correlations,' making decisions based on unimportant and potentially misleading information. Researchers have now discovered these learned spurious correlations can be traced to a very small subset of the training data and have demonstrated a technique that overcomes the problem. Read more ›

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