A research team has developed an innovative screening test. With a blood sample from the expectant mother, they can scrutinize all the genes in the fetus. The findings indicate that the new test, named desNIPT, has demonstrated effectiveness in identifying alterations in fetal genes -- a leading factor in severe congenital diseases. Read more ›
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Not only do many bats die at wind turbines, the turbines also displace some species from their habitats over large areas. When the turbines are in operation at relatively high wind speeds, the activity of bat species that hunt in structurally dense habitats such as forests drops by almost 80 per cent within a radius of 80 to 450 meters around the turbine. Read more ›
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Data Assimilation (DA) is an important mathematical method for predicting turbulent flows for weather forecasting. However, the origins of the critical length scale, a crucial parameter in this method, and its dependence on the Reynolds number are not well understood. Now, researchers have developed a novel theoretical framework that treats DA as a stability problem to explain this parameter. This framework can contribute significantly to turbulence research and inspire novel... Read more ›
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A team of researchers has found that Paxlovid (Nirmatrelvir-ritonavir) did not reduce the risk of developing long COVID for vaccinated, non-hospitalized individuals during their first COVID-19 infection. They also found a higher proportion of individuals than previously reported with rebound symptoms and test-positivity after taking Paxlovid. Read more ›
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Stress during pregnancy is known to influence health outcomes, but a new study suggests that stress levels before pregnancy are also important to evaluate. Investigators analyzed the link between self-reported stress immediately before conception among women seeking fertility care and blood glucose levels, a marker of heart health. The team found that maternal stress during preconception was associated with higher blood glucose levels, especially among women using intrauterine insemination to... Read more ›
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Even small differences in the availability of urban green and blue spaces may be associated with better mental and physical health in older adults, according to a new study. The study's findings showed that having just 10% more forest space in a person's residential ZIP code was associated with reduced serious psychological distress, which covers mental health problems that require treatment and interfere with people's social lives, work or school. Read more ›
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Researchers 3D printed a mini quadrupole mass filter, a key component of a mass spectrometer, that performs as well as some commercial-grade devices. It can be fabricated in hours for a few dollars and is one step toward producing a portable mass spectrometer that could enable effective medical diagnoses or chemical analyses in remote areas. Read more ›
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The integration of mechanical memory in the form of springs has for hundreds of years proven to be a key enabling technology for mechanical devices (like clocks), achieving advanced functionality through complex autonomous movements. In our times, the integration of springs in silicon-based microtechnology has opened the world of planar mass-producible mechatronic devices from which we all benefit, via air-bag sensors for example. Read more ›
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Honey yields in the U.S. have been declining since the 1990s, with honey producers and scientists unsure why, but a new study has uncovered clues in the mystery of the missing honey. Read more ›
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Scientists have developed a novel human brain organoid model that generates all the major cell types of the cerebellum, a hindbrain region predominantly made up of two cell types necessary for movement, cognition, and emotion: granule cells and Purkinje neurons. This marks the first time that scientists have succeeded in growing Purkinje cells that possess the molecular and electrophysiological features of functional neurons in an all-human system. Read more ›
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A new study uncovers a symphony of synchrony between the kelp forest and beach, with broader implications for the beach food web as the climate changes. Read more ›
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Pregnancy weight and biochemical markers measured in blood from women with gestational diabetes mellitus (GDM) were related to increased risk of poor pregnancy outcomes, suggesting a new direction for precision diagnostics. Read more ›
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Biologists developed a method for illuminating the intricate interactions of the synaptonemal complex in the nematode C. elegans. The authors identified a trio of protein segments that guide chromosomal interactions, and pinpointed the location where they interact with each other. Their novel method uses a technique known as genetic suppressor screening, which can serve as a blueprint for research on large cellular assemblies that resist traditional structural analysis. Read more ›
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People who have more disrupted sleep in their 30s and 40s may be more likely to have memory and thinking problems a decade later, according to new research published in the January 3, 2024, online issue of Neurology , the medical journal of the American Academy of Neurology. The study does not prove that sleep quality causes cognitive decline. It only shows an association. Read more ›
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Researchers have discovered vitamin B1 produced by microbes in rivers, findings that may offer hope for vitamin-deficient salmon populations. Read more ›
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A new study shows that adults with hearing loss who regularly used hearing aids had a 24% lower risk of mortality than those who never wore them. Read more ›
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Because same-sex sexual behavior does not result in offspring, evolutionary biologists have long wondered how the genes associated with this behavior have persisted in the human genome, and whether they will remain in the future. A new study suggests that part of the explanation -- specifically for male bisexuals -- has to do with risk-taking behavior. Read more ›
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Traumatic brain injuries (TBIs) can cause lasting damage, but stopping the rampant brain inflammation they cause is difficult. A team at the Wyss, @SEAS and @MGH led by Samir Mitragotri has made a new treatment using macrophages -- immune cells that migrate to the brain. By attaching microparticle 'backpacks' that kept the macrophages in a healing state, they reduced the size of brain lesions by 56% in pigs with a... Read more ›
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We all know someone who's had a head injury that was 'only' a concussion, but even mild traumatic brain injuries can cause lasting damage, and the vast majority are never diagnosed. A team created a way to diagnose mild TBIs (mTBIs) even when MRI scans showed nothing, using the body's own immune cells called macrophages. They attached microparticle 'backpacks' containing a common MRI contrast agent to the cells, which migrated... Read more ›
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For children, the world is full of surprises. Adults, on the other hand, are much more difficult to surprise. And there are complex processes behind this apparently straightforward state of affairs. Researchers have been using mice to decode how reactions to the unexpected develop in the growing brain. Read more ›
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24.07.2026 23:27
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