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ScienceDaily 3 place · 09/25/2024 12:36 EDT

Bacterial 'flipping' allows genes to assume different forms

Imagine being one cartwheel away from changing your appearance. One flip, and your brunette locks are platinum blond. That's not too far from what happens in some prokaryotes, or single-cell organisms, such as bacteria, that undergo something called inversions. A study has now shown that inversions, which cause a physical flip of a segment of DNA and change an organism's genetic identity, can occur within a single gene, challenging a... Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:36 EDT

One in two El Niño events could be extreme by mid-century

Climate change from greenhouse gas emissions could make extreme El Nino events more frequent, according to new research. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:36 EDT

Soil and water pollution: An invisible threat to cardiovascular health

Pesticides, heavy metals, micro- and nanoplastics in the soil, and environmentally harmful chemicals can have a detrimental effect on the cardiovascular system, according to a review paper. The article provides an overview of the effects of soil and water pollution on human health and pathology and discusses the prevalence of soil and water pollutants and how they negatively affect health, particularly the risk of cardiovascular disease. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:36 EDT

Night-time noise linked to restless nights for airport neighbors, study finds

A research team combined measurements from activity monitors and questionnaires for a new study of impact of aircraft noise on sleep. Higher levels of noise were associated with disturbed sleep quality measured by activity monitors. Noise had little impact on sleep duration but higher likelihood of reporting sleeplessness. Read more ›

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ScienceDaily
ScienceDaily 2 place · 09/25/2024 12:36 EDT

Citizen scientists help discover microplastics along the entire German coastline

The AWI's citizen science project 'Microplastic Detectives' has analyzed 2.2 tons of sand from German coasts for microplastics. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:36 EDT

Air pollution exposure during early life can have lasting effects on the brain's white matter

Exposure to certain pollutants, like fine particles (PM2.5) and nitrogen oxides (NOx), during pregnancy and childhood is associated with differences in the microstructure of the brain s white matter, and some of these effects persist throughout adolescence. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:35 EDT

Researchers harness AI to repurpose existing drugs for treatment of rare diseases

New AI model identifies possible therapies from existing medicines for thousands of diseases, including rare ones with no current treatments. The AI tool generates new insights on its own, applies them to conditions it was not trained for, and offers explanations for its predictions. AI can expedite the development of more precise treatments with fewer side effects at far lower cost than traditional drug discovery. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:35 EDT

Combination treatment improves response to immunotherapy for lung cancer

Researchers have tested a combination of treatments in mice with lung cancer and shown that these allow immunotherapies to target non-responsive tumors. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:35 EDT

Mapping distant planets: 'Ridges', 'deserts' and 'savannahs'

Researchers examined Neptunian exoplanets -- these planets share similar characteristics to our own Neptune, but orbit outside of our solar system. Scientists discovered a new area called the 'Neptunian Ridge' -- in between the 'Neptunian desert' and the 'Neptunian Savannah'. A new 'map' of distant planets shows a ridge of planets in deep space, separating a desert of planets from a more populated savannah. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:35 EDT

Replacing hype about artificial intelligence with accurate measurements of success

A new article notes that journal articles reporting how well machine learning models solve certain kinds of equations are often overly optimistic. The researchers suggest two rules for reporting results and systemic changes to encourage clarity and accuracy in reporting. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:35 EDT

'Invisible forest' of algae thrives as ocean warms

An 'invisible forest' of phytoplankton is thriving in part of our warming ocean, new research shows. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:29 EDT

Scientists discover a single-electron bond in a carbon-based compound

The discovery of a stable single-electron covalent bond between two carbon atoms validates a century-old theory. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:29 EDT

Webb discovers 'weird' galaxy with gas outshining its stars

The discovery of a 'weird' and unprecedented galaxy in the early Universe could 'help us understand how the cosmic story began', astronomers say. GS-NDG-9422 (9422) was found approximately one billion years after the Big Bang and stood out because it has an odd, never-before-seen light signature -- indicating that its gas is outshining its stars. The 'totally new phenomena' is significant, researchers say, because it could be the missing-link phase... Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:29 EDT

To make fluid flow in one direction down a pipe, it helps to be a shark

Researchers have discovered a new way to help liquid flow in only one direction, but without using the flaps that engines and our circulatory system rely upon to prevent fluid backup. The team created a flexible pipe with an interior helical structure inspired by the anatomy of shark intestines -- creating a prototype inspired by biology but with applications in engineering and medicine. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:29 EDT

Reconstructing the evolutionary history of the grape family

Until now, it was believed that plants of the grape family arrived at the European continent less than 23 million years ago. A study on fossil plants draws a new scenario on the dispersal of the ancestors of grape plants and reveals that these species were already on the territory of Europe some 41 million years ago. The paper describes a new fossil species of the same family, Nekemias mucronata,... Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:29 EDT

Managing stress could be the key to helping highly impulsive people act rashly when bored

Research has explored the relationship between high impulsivity and boredom, in an effort to find out what drives rash and sometimes unhealthy decisions. Read more ›

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ScienceDaily
ScienceDaily · 09/25/2024 12:28 EDT

Protein behavior can be predicted with simple math

Researchers have discovered that mutations affect protein stability following remarkably simple rules. The discovery has profound implications for accelerating the development of new treatments for diseases or the design of new proteins with industrial applications. Read more ›

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26.11.2024 15:35
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