Researchers found that variation in a single gene, plep-1, produces males with excretory pores attracting other males. This attraction is likely never manifest in nature due to the rarity of males, but highlights the role of molecular biology and genetic differences in shaping sexual behavior.
Researchers found that polyamine supplementation reverses slowed circadian clocks in aging mice, opening new possibilities for nutritional interventions. The discovery has potential implications for age-related diseases such as cancer and Alzheimer's disease.
Attention plays a critical role in structuring the internal world, prioritizing relevant thoughts and emotions for goal-oriented processing. The integrated theory proposes that attention is a cascade of effects beginning with stimulus detection, suppressing competing stimuli, and resetting upon completion.
Researchers find abundant wildlife populations in Chernobyl site, including elk, wolves, and deer. Long-term census data reveal a bounce-back of mammal populations after the devastating nuclear accident.
Researchers found that Eurasian reed warblers use a geomagnetic map to navigate during migrations. The birds can reorient themselves towards their original destination even after being exposed to a different magnetic field.
Researchers at California Institute of Technology have developed a proof-of-concept study on an injection that stops egg and sperm production in mice, using packaged DNA to produce neutralizing antibodies. This method could be a cheap alternative to spaying or neutering feral animals.
Agricultural researchers propose using odors and nectars from wild plants to attract pest-eating predators, mimicking nature's defense against aphids and other insects. This approach could be achieved through breeding programs or artificial devices.
Several laboratories are developing exercise pills targeting skeletal muscle performance, aiming to improve strength and energy use. However, the benefits of exercise extend beyond muscular improvements, and it's unrealistic to expect pills to fully substitute physical exercise.
Researchers discovered a molecular switch that balances the activity of two key proteins in the circadian clock, PER2 and CK1. This finding provides insights into familial advanced sleep phase disorder (FASP) and may lead to new treatment strategies using drugs that inhibit these proteins.
Researchers have found that snakes share similar genetic patterns with mammals and birds in their limbs and genitalia, suggesting a common ancestry. The study's findings suggest that these genetic elements may play a crucial role in phallus development and genital shape variation among species.
Researchers have created a new investigational drug that traps IGFBP3, preventing gastrointestinal symptoms and restoring the intestine's mucosal lining structure. The drug may hold promise as a potential treatment for diabetic enteropathy, a common complication of type 1 diabetes.
Researchers found that people's aesthetic preferences for faces agree about 50% and disagree about 50% with others. Personal experiences, such as those with friends or media, play a significant role in shaping individual face preferences, according to the study published in Current Biology.
The article explores eight big questions in cancer research, including the role of genetic mutations, tumor microenvironments, and epigenetics. Researchers discuss the importance of targeted treatments, prevention, and screening, as well as the potential for precision medicine to improve cancer outcomes.
Researchers propose that deep sleep strengthens immunological memories of previously encountered pathogens, enabling adaptive responses. Studies show that slow-wave sleep contributes to the formation of long-term memories of abstract information.
Researchers believe that tick spit proteins, such as alpha-gal, can cause severe allergic reactions in humans. A vaccine could be created to target these proteins, potentially providing protection against tick bite allergies.
Researchers have found that artificially selected microbiomes can improve plant growth in genetically identical plants. This method of root microbiome engineering uses bacteria from the roots of large plants and transfers them to other plants, leading to improved growth over time.
Researchers discovered a world of biological activity beneath the Arctic's polar night, with diverse species reproducing and thriving in the darkness. The findings raise questions about how marine species adapt to the changing climate and highlight the importance of this period for ecosystem reproduction.
A mobile app collected data from over 150 participants, showing that a majority of people eat for 15 hours or longer. The study aimed to test whether reducing daily food intake duration impacts health and found that time-restricted feeding can lead to weight loss and improved energy levels.
Researchers have identified crucial metabolic genes that enable cheese-making fungi to thrive on cheese, while also raising concerns about food safety. The study provides insights into the evolutionary history of these fungi and their ability to adapt to domesticated environments.
Researchers found that combining antidepressants with blood thinners increases autophagy in cancer cells, causing them to die. This combination therapy doubled the lifespan of mice with early-stage brain cancer, but further study is needed to confirm its effectiveness.
Researchers sequenced the complete genomes of 11 Przewalski's horses, including museum specimens, and compared them to domesticated horses. The findings show that captivity led to lower genetic diversity, increased inbreeding, and gene variants from domesticated individuals.
The adolescent brain is more susceptible to forming new memories, experiencing social stress, and engaging in risky health behaviors. Research suggests that adolescence may be a sensitive period for recovery from negative experiences and that alternative treatments might be needed for anxiety disorders.
Researchers are exploring how minerals from a healthy diet can be used in bioelectronics to create ingestible devices that power electronic pills. The goal is to reduce the amount of expensive medications needed for each patient, making them more cost-effective.
A recent study reveals that life on the seafloor in Antarctica is acting as an important carbon sink, absorbing nearly 2.9 ? 106 tons of carbon per year. This discovery suggests a new and unexpected way to combat climate change, with the potential to reduce greenhouse gas emissions by about 50,000 hectares of tropical rainforest.
Researchers found that sustainably logged tropical Amazonian forests can recover their carbon stocks within a cutting cycle of 20 to 30 years. The study suggests that the time to recover initial carbon stocks depends almost exclusively on logging intensity, providing useful insights for forest managers and policy makers.
Researchers discovered that sponges construct their skeletons through a complex process involving dynamic transport and cementation of spicules. The findings reveal a fundamentally new mechanism of forming animal body shape and may inspire interdisciplinary studies in fields like bioengineering and architecture.
Researchers used integrated 'omics' approaches to analyze changes in proteins across different organs in young and old rats. They found that aging affects organs in strikingly different ways, with specific protein patterns related to the organ's unique cellular properties or function. The study suggests that aging is an organ-specific ...
Researchers found that great apes can remember and anticipate memorable events from a single viewing of a movie, using anticipatory looks to track impending events. The study used eye-tracking technology to test the apes' ability to recall and anticipate events in two different films.
Researchers used DNA to reconstruct past events that brought European populations together, shedding light on the lives of 'regular people.' The study found evidence of multiple migrations, including from Central Asia to Europe and from West Africa to the Mediterranean.
A recent study revealed that the dorsolateral prefrontal cortex (DLPFC) integrates information about a suspect's blameworthiness and harm to others, enabling humans to decide on appropriate punishment levels. The DLPFC is specialized for integrating multiple streams of information to select responses.
A new study found that mice lacking certain immune cells gained excess weight and developed metabolic abnormalities even on a standard diet. Removing these cells prevented weight gain and metabolic issues. The study indicates that immune cells may help control fat tissue's energy storage and reduce inflammation.
A study found that participants consistently rated the skin of another person as being softer than their own, even if it wasn't. This phenomenon, known as the social softness illusion, may exist to ensure humans build social bonds through touch.
Research reveals plummeting melatonin levels in spring and summer may trigger multiple sclerosis relapses. Melatonin treatment restored T cell balance and improved clinical symptoms in a mouse model of the disease.
A study published in Current Biology found that people subconsciously change their walking patterns to expend the least amount of energy possible. By wearing robotic exoskeletons and altering resistance levels, researchers showed that participants adapt their step frequency to converge on a new energetic optimum within minutes.
Researchers have discovered the molecular culprits behind primary open-angle glaucoma, a leading cause of blindness, by identifying two key risk genes: SIX6 and P16. The study found that high eye pressure increases expression of P16, linking it to increased risk of vision loss.
A study in the Chocó-Andes of Colombia found that intensive farming practices lead to a loss of more than 650 million years of evolutionary history in bird species. Land-sparing approaches, which protect larger blocks of natural habitat, are recommended as a more effective way to preserve biodiversity.
Researchers found that Brazilian wasp venom's MP1 toxin selectively kills cancer cells by interacting with abnormally distributed lipids on their surface. The peptide creates gaping holes, allowing critical molecules to escape and potentially leading to new anticancer drug development.
Researchers found that statins yield an off-target reaction disrupting muscle mitochondria function, causing muscle pain and weakness. The lactone form of statins is more potent at disturbing mitochondrial function than its acid form.
A new study has found that the satiety hormone leptin plays a crucial role in the 'runner's high' feeling, with mice running longer distances on a wheel due to reduced leptin signaling. The research also suggests that people with lower fat-adjusted leptin levels may be more inclined to exercise.
Researchers discovered that nocturnal moths rely on turbulent fluctuations in the airstream to determine wind direction, whereas songbirds do not. This ability helps them cope with wind when traveling at high altitudes and allows for more accurate navigation.
Scientists have found that training can effectively reduce the size of the human blind spot, improving vision in individuals with age-related macular degeneration. The researchers trained participants on a direction-discrimination task for 20 consecutive weekdays, resulting in a 10% reduction in functional blindness.
A new study suggests that fish oil diets are more effective than lard diets due to the presence of certain gut bacteria. Mice transplanted with gut microbes from a fish oil diet showed reduced weight gain and inflammation compared to those with lard diet microbes.
Researchers found a clear transition in catches at depths of 600 to 800 meters, with significant increases in biodiversity and discarded biomass. The study suggests that a depth limit at around 600 meters could have specific conservation benefits.
A new theory proposes that neuroticism is driven by high activity in the brain's self-generated thought centers, which can lead to both creative breakthroughs and negative emotions. The study suggests that overthinking may be a key factor in experiencing intense negative emotions even when there is no apparent threat.
Researchers found that manipulating the circadian clock's timing signal can restore reproductive function in older female mice. This approach may have implications for human fertility and suggest the importance of 'circadian hygiene' to prevent reproductive difficulties.
Researchers found that bacteria in different lung regions evolved distinct traits, including antibiotic resistance and virulence, affecting patient health. The study suggests that understanding this bacterial diversity could lead to new treatments for chronic infections.
Researchers have discovered how an emerging class of antibiotics targets bacterial membranes, showing promise in combating superbugs. The study reveals that these antimicrobial lipopeptides form micelles that stick to the bacterial membrane, selectively killing cells while sparing mammalian host cells.
Research finds gut microbes produce a molecule mimicking retinal protein, activating T cells responsible for autoimmune uveitis. The study offers a novel mechanism explaining how tissue-specific autoimmune diseases can arise from responses to gut microbes at a distal site in the body.
Researchers discovered that whistled Turkish, a unique form of communication, alters language asymmetries in the brain. Studies show that both hemispheres are equally involved in processing whistled Turkish, contradicting the notion that language is predominantly left-brained.
Researchers found that malaria infections cause widespread DNA damage in B lymphocytes, increasing the risk of blood cancers. Chronic inflammation from malaria promotes genomic instability, leading to mutations and cancerous changes.