A bioengineered tattoo has been developed to detect elevated blood calcium levels in mice, offering a potential early diagnosis method for conditions like kidney failure and cancer. The tattoo becomes visible on the skin upon detection of high calcium concentrations, providing a proactive measure against diseases.
Researchers estimate that 67% of organic carbon within bedrock is released during erosion, with certain microbe populations using the carbon for nourishment. The findings suggest that this process could negate geological carbon dioxide consumption and impact Earth's climate.
Researchers discovered that mitochondria employ the mitoCPR response to handle overwhelming protein imports, involving increased expression of PDR3 and genes facilitating protein clearance. The mechanism's existence in higher eukaryotes like humans remains unknown.
Scientists have successfully trapped and manipulated two individual sodium and cesium atoms using optical tweezers, resulting in the creation of a new sodium-cesium molecule. This technique enables precise control over chemical reactions, paving the way for studying complex molecules and designer molecules for quantum applications.
Researchers have identified tuft cells as the primary target of norovirus infection, a discovery that could pave the way for new treatments. The study found that administering immune signaling proteins IL-4 and IL-25 increased viral transmission and abundance in mice.
A new personalized vaccine has shown promise in boosting immune responses and increasing survival rates in patients with advanced ovarian cancer. The vaccine combines different immunotherapies to better tackle the disease, which is often diagnosed at later stages and lacks curative treatment options.
The Mississippi Delta has experienced high net land loss over the past century due to human activities and sea level rise. A new study reveals that only a small portion of the delta will be sustainable in the future, as growth rates were much lower than current land loss rates.
A new study found that administering edonerpic maleate, a small molecule targeting CRMP2, significantly improved the ability of mice and monkeys to regain motor function after a stroke. Early clinical trial results suggest the drug is safe in humans, offering a potential breakthrough for stroke recovery.
A recent study by Benjamin Houlton et al. suggests that weathered bedrock is a significant source of nitrogen in terrestrial ecosystems, releasing 11-18 teragrams annually and rivaling atmospheric contributions. This finding has important implications for understanding the carbon cycle and global climate change.
ILSA rankings can be misleading due to overlapping margins of error and cultural attitudes. By analyzing the strength of relationships between socioeconomic status and school performance, countries can identify areas for improvement and adopt strategies from neighboring nations with more equitable systems.
Researchers are studying microplastics in freshwater and terrestrial systems to understand their impacts on human health. Early evidence suggests that microplastics may travel via soil and atmospheric deposition, highlighting the need for a global approach to addressing microplastic pollution.
A bioengineered retinal implant, composed of human embryonic stem cells, has been shown to halt vision loss in advanced non-neovascular age-related macular degeneration. The implant was well-tolerated and successfully integrated with retinal tissue, demonstrating potential for a new therapy for this progressive disease.
A new study reveals that organic fertilizers from biowaste fermentation contain microplastic particles, which enter the terrestrial environment and may end up in human food. The amount of microplastic particles differs based on pre-treatment methods and plant type.
A new study discovered an antibody that can prevent tumors from shedding proteins the immune system uses to identify and attack them. In mouse models of melanoma and lung cancer, this antibody increased natural killer cell infiltration into tumors, reducing their load.
Researchers created a synthetic device mimicking cephalopod skin to evade infrared detection. The device can adapt its reflectivity in response to temperature changes, enabling effective camouflage.
Researchers have developed a polymer-based material that stiffens and changes color, mimicking the dynamic properties of skin. The material combines rigid-while-flexible and soft-while-stiff properties, shifting towards blue or red colors when elongated or condensed.
A new study suggests that amphibian populations in Panama have started becoming more resistant to the deadly fungal pathogen chytridiomycosis. Over 2,000 diagnostic samples show a decrease in the prevalence of the fungus since the initial epidemics occurred.
Scientists link whooping cough resurgence in the US to incomplete adult vaccination and declining vaccine efficacy over time. School-aged children are identified as a key transmission hub for future vaccination efforts.
New research analyzing oxygen isotopic compositions of lunar and terrestrial samples supports a high-energy collision model for the Moon's origin. Most of Earth's water is believed to have been delivered before the Moon-forming impact, contradicting previous proposals that it was added later.
The study of a two-billion-year-old salt mineral deposit provides new insights into the Earth's atmosphere following the Great Oxidation Event. Marine sulfate concentrations were significantly lower in ancient oceans, indicating large amounts of oxygen reacted with sulfur, accumulating in the oceans as sulfates.
A new study reveals that pups with less maternal care have more repeated genetic sequences in their neurons. The researchers found a link between maternal care and transposon replication in the hippocampus, but not in other brain regions or organs.
Agricultural nitrogen runoff has created a massive oxygen-deprived 'dead zone' in the Gulf of Mexico, taking decades to recover even if eliminated. The area would need to reach 5,000 km² by 2050 to mitigate effects, an unrealistic goal given current unsustainable levels.
Scientists developed artificial wings that mimic earwig folding patterns, featuring resilin biopolymer for rapid springing motion. The innovation allows for faster folding and deployment than conventional mechanisms.
A recent resurgence in mumps cases in the US is attributed to declining immune protection from the mumps vaccine. Researchers propose a booster dose at age 18 as a potential solution to maintain population immunity and control outbreaks.
Researchers found that bats can learn novel prey cues from members of the same species as well as different species. One-third of the bats learned about new prey on their own but did so more slowly than those learning from a different species.
Three studies highlight significant shifts in climate, tool-making, and trade in East Africa around 300,000 years ago. The region underwent transformations from floodplains to grasslands, driving human mobility, information gathering, and potentially trade.
Researchers found that sustainably managing fisheries can halt declines of seven to 13 bycatch populations, but not eliminate bycatch completely due to other factors. Maximizing fish stocks can increase global fishing yields by up to 15% and associated profits by as much as 80%.
Researchers studied 15,000-year-old human DNA from Morocco's Iberomaurusian culture, finding no European ancestry. Instead, they identified genetic ties to ancient Near Easterners and sub-Saharan Africans, suggesting a pre-agricultural connection between the regions.
A study shows preverbal infants can make logical deductions by conducting process of elimination, as seen in toddlers. Infants stare longer at unexpected outcomes and their pupils dilate when watching movies requiring rational thinking.
A new study suggests that sexual minority students are 8% less likely to persist in STEM degrees by their fourth year of college. Despite this, they were found to have participated in undergraduate research at higher rates than their heterosexual peers.
A new study uses brain-computer interface to enhance prosthetic hand control with muscle vibrations, allowing amputees to better control the prosthetic and regain a sense of agency over their movements. The technology has the potential to improve quality of life for those with amputations.
A new modeling study predicts that climate change will dramatically reduce global fishery yields, with declines of up to 20% globally and 60% in the North Atlantic by 2300. The study attributes these declines to a lack of ocean mixing, which would drive a decline in fish populations near the surface.
A high-fiber diet can alleviate symptoms of type 2 diabetes by promoting a specific group of gut bacteria, according to researchers. The study found that patients under a high-fiber diet had greatly reduced blood sugar and body weight compared to those on standard care.
Researchers have developed novel T cell immunotherapies using custom-made receptors called synNotch that can precisely target cancer and autoimmune diseases. The technology has the potential to overcome major hurdles in T cell immunotherapies, leading to more favorable treatment outcomes for patients.
A study analyzing Twitter data from 2006 to 2017 found that false information diffused significantly farther and faster than true news, reaching up to 100,000 people. The top 1% of false-news cascades spread even more widely, with political news being the most virulent.
A new study in mice suggests that a weakened gut barrier may contribute to autoimmune disease. Researchers found that certain bacteria, such as <i>Enterococcus gallinarum</i>, can leak out of the intestines and trigger an autoimmune response similar to what's seen in lupus.
A new study found that low levels of L-arginine in pregnant women with malaria are associated with worse pregnancy outcomes. Supplementing these women with L-arginine may improve birth weights and viability among their babies, according to research published in Science Translational Medicine.
A new study finds that most US and Canadian hunt management plans do not adhere to science-based approaches, lacking hallmarks like measurable objectives and independent review. The study highlights the need for agencies to adopt science-based management to improve natural resource management.
Researchers analyzed sediment data to find that mudrock is rare in the first 3 billion-year record of sediments but common after the middle Paleozoic era. The steady increase of mudrock suggests a relationship between its emergence and that of plants.
Rare scientific discoveries and inventions garner higher citation rates through exploratory research, suggesting reallocation of funding to risky projects. Collaboration enhances novelty, with teams being 38% more likely than solo authors to bring new ideas into familiar domains.
Researchers created a massive crowd-sourced family tree analyzing 86 million public profiles from Geni.com, uncovering trends in migration patterns and genetic relatedness. The study found females migrate more than males, and couples born between 1800-1850 showed increased marital distances despite higher genetic relatedness.
A study in house finches reveals that immune systems can inadvertently help bacteria become stronger over time, leading to a catch-22 situation. Researchers found that birds with stronger immunity to more virulent strains were more likely to exclude low-virulence strains from future infections.
Researchers developed a method to obtain critical information about cardiac function using machines that help failing hearts circulate blood. The new approach may pave the way to self-contained mechanical circulatory support systems for patients suffering from cardiogenic shock after a heart attack.
A new analysis found that subsistence harvesting by indigenous people has a positive association with caribou numbers, contradicting previous speculation. The study's results suggest that government controls on indigenous caribou hunting may not be necessary and highlight a 'science-policy gap' in U.S. and Canadian governments
By 2050, most coral reefs are expected to experience net sediment dissolution, impacting health and biodiversity. Ocean acidification is linked to reduced calcium carbonate saturation, affecting coral growth rates.
A genomic study of ancient and modern horses reveals that the Botai horses, who lived on Central Asian steppes 5,500 years ago, did not contribute to the modern domesticated horse population. However, seven Przewalski's horses, an endangered feral group, show a connection to the original Botai group.
A new study reveals that industrial fishing activities cover more than 55% of the world's oceans, with global hot spots in the northeast Atlantic and northwest Pacific. The majority of observed fishing efforts come from five countries, including China, Spain, Taiwan, Japan, and South Korea.
Researchers found cave art in Europe dating back at least 20,000 years, suggesting Neanderthals created the artworks. The discovery also included dyed and decorated marine shells dating back to times before modern humans arrived in the region.
Researchers discovered that a subset of myeloproliferative neoplasms (MPNs) are susceptible to treatment with immune checkpoint inhibitors targeting the PD-1/PD-L1 pathway. MPNs hijack this pathway to prevent T cells from attacking malignant cells, but mutant JAK2 activation can expose a therapeutic vulnerability.
Under projected rates of sea level rise, Pacific coast tidal wetlands face devastating loss, with high- and mid-marsh habitats projected to be lost by the end of the century. Only low marsh habitats are likely to survive, even in California and Oregon.