Researchers found that hundreds of bacteria genes were integrated into ancient plants, granting them desirable traits for land colonization. The study suggests horizontal gene transfer played a significant role in land-plant evolution, allowing plants to adapt rapidly to new environments.
Researchers found that elephant seals can determine their distance from breeding beaches and estimate return times based on an internal map sense. This navigation ability helps them arrive at their breeding beaches just in time for the breeding season.
Researchers surveyed over 26,000 genetic genealogy participants about their experiences discovering previously unknown relatives. Most reported learning the identity of at least one relative, with some finding close family ties and others experiencing life-changing discoveries.
A review of carbon capture and utilization (CCU) technologies found that many methods are incompatible with the Paris Agreement's emission reduction targets. The study suggests focusing on non-fossil carbon dioxide storage technologies to achieve long-term emissions goals.
Researchers successfully edited the genomes of black-legged ticks using CRISPR-Cas9, overcoming technical challenges and advancing tick genetic research. The study's findings have significant implications for understanding tick-pathogen-host interactions and developing new approaches to tick-borne disease control.
As people age, their brains allocate more space to accumulated knowledge, making memory retrieval challenging. However, this prior experience can also enhance creativity and decision-making skills.
Researchers found that stressed worms produce more sexually attractive offspring by transferring small RNAs, which influence gene expression. This epigenetic inheritance allows the trait to persist across generations without DNA changes.
Researchers observed chimpanzees in Gabon applying insects to their wounds and those of others, demonstrating prosocial behaviors linked to empathy. The study suggests that these actions may be evidence of an innate capacity for selfless care in non-human primates.
Research reveals that obesity leads to a decline in adipose tissue's ability to respond to changes, causing insulin resistance and inflammation. This loss of function can be addressed through modulating fat tissue phenotypes for therapeutic purposes.
A recent analysis of eight long-running research prizes found that only 4.7% of historical awardees were Asian. The number of Asian awardees has declined to just 2.6% in the last decade. Fewer than 1% of top biomedical research prize winners are Black or Latinx, highlighting significant underrepresentation in the field.
Researchers discovered that a hormone called FGF21 suppresses alcohol consumption in primates by altering neural transmission in the brain. This finding provides a mechanism for a liver-to-brain endocrine feedback loop to protect the liver from damage and may lead to potential treatment options for alcohol use disorder.
Researchers discovered a genetic mutation associated with small body size in dogs that also occurred in ancient wolves over 50,000 years ago. This finding presents a new evolutionary narrative and challenges the long-held theory that humans domesticated large wolves to create small companions.
A study in Current Biology found that hippos recognize individual voices, responding more aggressively to strangers than neighbors. The researchers hope to learn more about what hippos communicate through their calls, exploring how they recognize sounds and whether voices reveal characteristics like size or sex.
Researchers found that the oral plug, a structure in fin whales, blocks the pharynx and prevents water from entering during lunge feeding. This allows the whale to swallow prey while keeping the respiratory tract protected.
In a study published in Cell, researchers report that ventral spinocerebellar tract neurons (VSCTs) are both necessary and sufficient for regulating locomotor behavior in mice. Activation of VSCTs induces locomotion, while suppression halts it, demonstrating their crucial role in controlling this essential behavior.
Researchers discovered that old neurons can block neurogenesis in mice, highlighting excessive senescence as a driving factor behind aging. By destroying senescent cells, the study showed enhanced hippocampal neurogenesis and cognitive function in middle-aged mice.
Researchers found that giant pandas' gut microbiota shifts in season, helping them gain weight and store fat. The team used a fecal transplant experiment to show that the metabolic product of Clostridium butyricum can upregulate lipid synthesis and storage.
Researchers have discovered a vast icefish breeding colony in the Antarctic Weddell Sea, with an estimated 60 million active nests spanning over 240 square kilometers. The colony represents a significant biomass of more than 60,000 tons and provides insight into a globally unique ecosystem.
Researchers found that dolphin females have a functional clitoris, with large areas of erectile tissue, nerves, and free nerve endings similar to those in human clitoris. The study suggests that the dolphin clitoris plays a role in female sexual pleasure, providing insights into animal sexuality.
Researchers found fingerprints influenced by genes responsible for limb development, shedding light on phenotypical traits in humans. The study identifies 43 genome regions associated with fingerprint patterns and suggests a link between dermatoglyphic patterns and congenital genetic disorders.
Researchers have successfully identified animal species in zoo air by collecting airborne environmental DNA, offering a valuable tool for tracking biodiversity without intensive fieldwork. By analyzing millions of DNA sequences and comparing them to reference databases, scientists can detect even elusive or inaccessible species.
Researchers found that sulphur mollies create surface waves to deter predators, with the wave number decreasing capture probability. The collective behavior has anti-predator benefits, providing protection from bird attacks.
A rare dinosaur embryo discovered in southern China exhibits a bird-like posture before hatching, suggesting that oviraptorosaurs may have developed avian-like postures late in their incubation. This finding challenges current understanding of non-avian theropod behavior and opens up new avenues for research.
Researchers have developed a method to store 3D-bioprinted tissues in a frozen state, allowing for long-term preservation and rapid thawing. The technique, known as cryobioprinting, has been shown to retain tissue functionality, enabling potential applications in drug testing and tissue replacement.
A recent study found that major US electric utility companies' voluntary climate pledges could lower net emissions by roughly 560 million metric tons of CO2 equivalent, an amount equal to one-third of 2018 US power sector emissions. This reduction is on top of existing policies and could play a vital role in climate change mitigation.
Researchers estimate that people living in deforested locations have lost nearly 5 million hours of safe work time due to increased local temperatures, with at least 2.8 million people affected by heavy physical labor. Deforestation accelerates heat exposure and increases the risk of heat-related illnesses.
A team of biologists and engineers created a robotic fish that scares mosquitofish away, altering its behavior and physiology. The study found that the mosquitofish showed fearful behaviors, weight loss, and reduced fertility when confronted with the robot.
Temperature fluctuations in labs affect over 90% of individual tests and 51 assays, including kidney function and lipid panels. Laboratories can statistically adjust for ambient temperature to reduce weather-related variability.
A study on a beetle species reveals how two distinct cell types form a specialized gland for making and secreting defensive compounds. The findings suggest that the gland's evolution was driven by coevolution between the cell types, leading to the creation of a functional secretion with adaptive value.
Researchers at the University of Edinburgh propose a new semester schedule that can reduce CO2 emissions by 167 tonnes, 4.2%, by starting a new semester on September 12 and extending the winter vacation period. This approach could be adapted for other universities globally.
Researchers found that migratory bird species tend to be lighter colored than non-migratory species, reducing the risk of overheating during extreme journeys. The study's findings suggest that lighter plumage coloration helps birds absorb less heat and stay cooler in the hot sun.
A multicenter clinical trial demonstrates insulin secretion from engrafted stem cells in patients with type 1 diabetes. The study shows 20% reduced insulin requirements and 13% more time spent in target blood glucose range over a one-year follow-up period.
Researchers found that second-generation antihistamines block histamine binding to HRH1, improving cytotoxic T cell activation and reducing resistance to immunotherapy. High plasma histamine levels in patients were correlated with worse responses to anti-PD-1 immunotherapy.
A study found that many IVF embryos with chromosomal abnormalities have the potential to lead to successful pregnancies. Embryos with low-grade mosaicism had similar live birth rates and miscarriage rates as euploid embryos.
SourceCell Press·JournalThe American Journal of Human Genetics·TypeRandomized controlled/clinical trial·DateNov 18, 2021
Researchers created a portable electronic nose that can detect the stink of wastewater treatment plants with near-human accuracy. The device is combined with a drone to measure air quality and predict odor intensity, producing real-time maps for management.
A study found that children with autism tend to have less diverse diets and lower gut microbiome diversity compared to their non-autistic peers. This suggests that dietary preferences may contribute to the development of autism-related traits.
A gene-silencing therapy harnessing nanoparticles called small extracellular vesicles (sEVs) for drug delivery has protected against Zika virus transmission in pregnant mice to the mouse fetuses. The treatment reduced fetal neurological damage, including virus-induced brain shrinkage.
Research supports strong relationship between ceramides and diseases in animals and humans. Ceramides are standalone biomarkers of cardiovascular disease, independent of cholesterol.
Researchers discovered that a single protein, Kr-h1, responds to socially regulated hormones to orchestrate the complex social transition in Harpegnathos saltator ants. The study reveals important roles for gene regulation and hormone response in controlling animal brains' plasticity.
Researchers discovered that spiny mice can regenerate severely damaged kidneys without scarring, a process triggered by unique transcriptional programs in their genome. This finding offers new hope for treatments of end-stage kidney disease and fibrotic diseases.
Researchers used a powerful X-ray technique to identify nanoparticles in the wood of King Henry VIII's favorite ship, the Mary Rose. The findings reveal previously undetected products that could cause damage to the historic vessel.
Historical analysis found no precedent for the rate of coal and gas power decline required to limit climate change to 1.5°C. Rapid declines in fossil fuel use occurred in response to energy security threats, but such cases are less relevant to climate scenarios where continental-size regions are involved.
Researchers have developed hardened wooden knives that are 23 times harder and nearly three times sharper than stainless-steel dinner table knives. The material can be used to produce wooden nails as sharp as conventional steel nails and has potential applications in hardwood flooring and other wood products.
Researchers found evidence of two fungal species used in blue cheese and beer production in ancient feces from Hallstatt-Dachstein/Salzkammergut. The findings suggest that people consumed blue cheese and beer during the Iron Age, nearly 2,700 years ago, and retained a non-Westernized gut microbiome structure until the Baroque period.
German scientists developed a method to supply oxygen to tadpole brains using photosynthesizing algae injected into their bloodstream. This approach effectively revived neurons in oxygen-deprived tadpoles, showing promise for new therapies for conditions such as stroke and high-altitude environments.
Researchers found that young male winter swimmers had better thermoregulation and higher heat loss due to frequent sauna exposure. They also showed increased brown fat tissue activity, particularly in response to cold exposure.
Researchers tested spider silk from seven species and found no signs of antimicrobial activity, casting doubt on previous reports. The team attributed methodological shortcomings to compromised studies, suggesting that the silk may serve as a physical barrier rather than an intrinsic antimicrobial agent.
By analyzing pitch, length, octaves, chords, dynamics, and main theme of four pieces from the mid-1800s Romantic era of classical music, researchers created protein songs with improved musicality. The study found that using a specific music style guided the structure of proteins to produce more pleasant melodies and harmonies.
Researchers discovered a cheap and naturally occurring chemical compound that can prevent or reverse the effects of the deformed wing virus in bees. Bees fed with this compound before becoming infected were nine times more likely to survive the virus after five days.
Researchers Boevé and Giot translated insect defense chemicals into sounds, measuring human reactions. The study found that the responses by ants and humans are correlated, indicating that sonification can approximate real-world predator-prey interactions.