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ScienceDaily · 12/04/2023 13:51 EDT

'Doughnut' beams help physicists see incredibly small objects

A new laser-based technique can create images of structures too tiny to view with traditional microscopes, and without damaging them. The approach could help scientists inspect nanoelectronics, including the semiconductors in computer chips. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:51 EDT

Quantum physics: Superconducting Nanowires Detect Single Protein Ions

An international research team has achieved a breakthrough in the detection of protein ions: Due to their high energy sensitivity, superconducting nanowire detectors achieve almost 100% quantum efficiency and exceed the detection efficiency of conventional ion detectors at low energies by a factor of up to a 1,000. In contrast to conventional detectors, they can also distinguish macromolecules by their impact energy. This allows for more sensitive detection of proteins... Read more ›

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ScienceDaily
ScienceDaily 1 place · 12/04/2023 13:51 EDT

AI networks are more vulnerable to malicious attacks than previously thought

Artificial intelligence tools hold promise for applications ranging from autonomous vehicles to the interpretation of medical images. However, a new study finds these AI tools are more vulnerable than previously thought to targeted attacks that effectively force AI systems to make bad decisions. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:51 EDT

Scientists propose a model to predict personal learning performance for virtual reality-based safety training

In Korea, workers are being provided with virtual reality (VR)-based safety training content to mitigate the increase in occupational accidents. However, the current training evaluation methods suffer from a lack of immediate feedback from participants for personal learning performance evaluation. To address this, a team of researchers has now developed a new framework that uses real-time biometric data during VR training for improving personalized safety and preventing occupational hazards. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:51 EDT

Engineers tackle hard-to-map class of materials

Materials scientists mapped the structural features of a 2D ferroelectric material made of tin and selenium atoms using a new technique that can be applied to other 2D van der Waals ferroelectrics, unlocking their potential for use in electronics and other applications. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:51 EDT

Tiny electromagnets made of ultra-thin carbon

Graphene, that is extremely thin carbon, is considered a true miracle material. An international research team has now added another facet to its diverse properties with new experiments: Experts fired short terahertz pulses at micrometer-sized discs of graphene, which briefly turned these minuscule objects into surprisingly strong magnets. This discovery may prove useful for developing future magnetic switches and storage devices. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

Himalayan glaciers react, blow cold winds down their slopes

Himalayan Glaciers fight back to preserve themselves, but for how long? An international team of researchers explains a stunning phenomenon: rising global temperatures have led Himalayan glaciers to increasingly cool the air in contact with the ice surface. The ensuing cold winds might help cool the glaciers and preserve the surrounding ecosystems. The results were found across the Himalayan range. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

Studies help explain why some prostate cancers become resistant to hormone therapy

Two new studies give insight into how cells use energy to influence the way prostate tumors survive and grow -- advancements that can help explain why some prostate cancers become resistant to hormone therapy, the most commonly used treatment for men with advanced stages of the disease. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

New study maps ketamine's effects on brain

A mouse study found that the drug ketamine can alter the brain's dopamine system, boosting the case for more targeted medical use. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

Salty immune cells surrounding the brain linked to hypertension-induced dementia

A study suggests that the response of immune system cells inside the protective covering surrounding the brain may contribute to the cognitive decline that can occur in a person with chronic high blood pressure. This finding may shed light on new ways to counteract the effects of high blood pressure on cognition. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

Earliest-known fossil mosquito suggests males were bloodsuckers too

Researchers have found the earliest-known fossil mosquito in Lower Cretaceous amber from Lebanon. What's more, the well-preserved insects are two males of the same species with piercing mouthparts, suggesting they likely sucked blood. That's noteworthy because, among modern-day mosquitoes, only females are hematophagous, meaning that they use piercing mouthparts to feed on the blood of people and other animals. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

Researchers have cracked the cellular code on protein folding, offering hope for new therapeutic avenues for many diseases

While we often think of diseases as caused by foreign bodies -- bacteria or viruses -- there are hundreds of diseases affecting humans that result from errors in cellular production of its proteins. A team of researchers recently leveraged the power of cutting-edge technology, including an innovative technique called glycoproteomics, to unlock the carbohydrate-based code that governs how certain classes of proteins form themselves into the complex shapes necessary to... Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

More than 100 'magic mushroom' genomes point the way to new cultivars

Scientists have amassed genome data for dozens of 'magic mushroom' isolates and cultivars, with the goal to learn more about how their domestication and cultivation has changed them. The findings may point the way to the production of intriguing new cultivars, say the researchers. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

Crocodile family tree mapped: New light shed on croc evolution

Around 250 million years ago, 700 species of reptiles closely related to the modern-day crocodile roamed the earth, now new research reveals how a complex interplay between climate change, species competition and habitat can help explain why just 23 species of crocodile survive today.      Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

Brains of newborns aren't underdeveloped compared to other primates

Contrary to current understanding, the brains of human newborns aren't significantly less developed compared to other primate species, but appear so because so much brain development happens after birth, finds a new study. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:50 EDT

New technique efficiently offers insight into gene regulation

Researchers have developed a new technique called MAbID. This allows them to simultaneously study different mechanisms of gene regulation, which plays a major role in development and disease. MAbID offers new insights into how these mechanisms work together or against each other. Read more ›

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ScienceDaily
ScienceDaily · 12/04/2023 13:48 EDT

Decoding flavonoid metabolism: A closer look at plant-based diets

An international team of researchers has elucidated the process by which the major flavonoids naringenin, apigenin, and genistein are metabolized in the body. These findings are fundamental in elucidating the correlation between the metabolism of flavonoids in the body and their potential health benefits. Read more ›

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ScienceDaily
ScienceDaily 1 place · 12/01/2023 17:32 EDT

Human behavior guided by fast changes in dopamine levels

A new study shows that dopamine release in the human brain plays a crucial role in encoding both reward and punishment prediction errors. This means that dopamine is involved in the process of learning from both positive and negative experiences, allowing the brain to adjust and adapt its behavior based on the outcomes of these experiences. Read more ›

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ScienceDaily
ScienceDaily 3 place · 12/01/2023 17:32 EDT

A color-based sensor to emulate skin's sensitivity

In a step toward more autonomous soft robots and wearable technologies, researchers have created a device that uses color to simultaneously sense multiple mechanical and temperature stimuli. Read more ›

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ScienceDaily
ScienceDaily · 12/01/2023 17:32 EDT

Can preeclampsia be prevented?

Preeclampsia is a mysterious condition that occurs in about one of 10 pregnancies without any early warning signs. After 20 weeks or more of normal blood pressure during the pregnancy, patients with preeclampsia will begin to experience elevated blood pressure and may also have increased levels of protein in their urine due to hypertension reducing the filtering power of the kidneys. Prolonged hypertension due to preeclampsia can lead to organ... Read more ›

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