Articles tagged with Feedback Loops
A recent study maps the evolutionary history of hawkmoths, revealing a co-evolutionary arms race between these insects and flowers. The relationship leads to a cycle of nectar spur lengthening and proboscis evolution, with some species developing long tongues to feed on specific orchids.
A new study maps how 29 factors influence one another in young adults aged 18-40, revealing self-reinforcing loops that worsen depressive symptoms and disrupt sleep. The model highlights the complexity of these interactions and suggests a nuanced approach to breaking the cycles.
A new study by Carnegie Mellon University researchers found that real-time feedback on collaboration metrics does not improve team performance and can even make it worse. By narrowing the feedback to a single metric, teams focused too much on that signal and neglected coordination strategy, leading to decreased overall performance.
New research reveals that vegetation feedbacks played a key role in speeding up major climate changes during the late Miocene. Shifts in plant life intensified cooling in northern high latitudes and altered rainfall patterns in lower latitudes.
Researchers at The University of Texas at San Antonio are working on a new AI tool to improve lives after brain injury. They plan to analyze data from 3,000 veterans and develop an interactive dashboard for clinicians to use, providing insights that could revolutionize treatment.
A new study finds that global heating could exceed previous estimates, with even low emission scenarios leading to higher temperatures. The Paris Agreement's goal of limiting warming to 2°C may only be achievable under very low emissions and lower-than-estimated climate sensitivity.
A recent study found that positive affectivity contributes to higher physical activity levels and increased activity during the COVID-19 pandemic. In contrast, depressive feelings are associated with lower physical activity levels. Mental well-being plays a crucial role in maintaining a physically active lifestyle.
A new report warns of an unprecedented climate emergency, with key findings including widespread forest dieback and major ice sheet collapse. The authors emphasize the need for decisive action to safeguard the natural world and ensure a livable future.
Researchers created a virtual game environment and connected it to hydrogels, which improved their accuracy over time. The hydrogels used 'memory' to learn from previous patterns and improve their gameplay, with an improvement rate of up to 10%.
A recent study at Rice University found that using synthetic data to train generative AI models can lead to negative consequences, including model collapse and reduced quality. As models become increasingly dependent on self-consuming loops, they may produce warped outputs lacking diversity or quality.
Researchers at KTH Royal Institute of Technology report that global warming and plastic pollution are inextricably linked, with rising temperatures causing plastics to deteriorate more rapidly. This acceleration in plastic waste leads to increased greenhouse gas emissions, further exacerbating climate change.
Plants use their circadian clocks to regulate responses to changes in water and salinity levels, offering a new avenue for creating drought-resistant crops. The discovery of the ABF3 feedback loop reveals a delicate balance between boosting stress tolerance and maximizing growth and yield.
A Learning Health System model is being developed to increase organ donation and reduce disparities in access to transplantation. The project, led by Hennepin Healthcare Research Institute, will use data tools to track progress and improve equity in organ donation across the US.
Researchers at UCSF found a feedback loop between immune protein IL-31 and nerve cells, which dials back nearby inflammation and promotes skin healing. This discovery could lead to new treatments for conditions like eczema, allergies, and asthma by targeting the nervous system's role in regulating the immune response.
A VHIO-led study has identified DPPA3 as a regulator of dormant cancer cells and chemoresistance in colorectal cancer. High levels of DPPA3 are found to predict disease relapse, while HIF1 is proposed as a potential therapeutic target to sensitize CRC cells to chemotherapy.
Researchers at Shanghai Jiao Tong University have developed a new scattering matrix method that can sculpt light output with minimal optimization time. The method offers unparalleled nonlinear scattered light control, enabling high-resolution scanning microscopy and particle trapping through dense, scattering media.
Researchers used a high-performance computer simulation to study the impact of soil subsidence on permafrost thawing in the Arctic tundra. They found that uneven land subsidence leads to a drier landscape, which limits the process's acceleration through the end of the century.
Researchers at Oregon State University have identified 27 amplifying feedback loops that significantly increase warming due to greenhouse gas emissions. The study calls for transformative changes in energy, transportation, food production, and international economy to meet climate challenges.
Researchers identified 27 amplifying feedbacks, 7 dampening feedbacks, and 7 uncertain feedbacks, including permafrost thawing, peatland drying, and forest dieback. The study calls for more ambitious emissions drawdown plans and nature-based solutions to address the climate crisis.
The new system consists of two gels with different properties that respond homeostatically to environmental changes. Researchers have created a feedback loop using lasers and mirrors, allowing the system to regulate its temperature in response to external stimuli.
A simplified mathematical model found a 'lag time' between human intervention and an actual decrease in CO2 levels, which could still lead to climate tipping points. The researchers used a system of stochastic delay differential equations to analyze various emission reduction and carbon capture strategies.
Researchers at Salk Institute discovered that neurons deep in the brain's cortex process information from borders first, then send clues back to upstream areas. This supports the importance of the 'feedback' pathway for deciphering borders.
A new paper from University of British Columbia expert Dr. Mary O'Connor emphasizes the need to consider feedbacks in biodiversity research and policy making to mitigate negative consequences for humans. The authors propose building national and global biodiversity observatories to monitor ecosystems and human activities, enabling data...
Researchers found that climate change will amplify the temporary cooling caused by large eruptions and reduce its effect on small- and medium-sized eruptions. The study used global climate models to simulate how volcanic aerosols might be affected by warming scenarios.
Researchers at Cold Spring Harbor Laboratory have discovered a way to reverse the genetic cause of poor stress responses in mice by targeting specific brain cells and feedback loops. The discovery was made possible by understanding how a particular gene, Ophn1, regulates brain activity and stress tolerance.
Researchers from the University of Tsukuba found that ocean acidification favors degraded turf algal systems over corals and other algae due to feedback loops. This ecological shift makes it difficult to reverse and has significant implications for coastal ecosystem services.
The SARS-CoV-2 pandemic shares similarities with global heating and species extinction, highlighting the need for early intervention and collective action. Researchers argue that delays in addressing these crises have devastating consequences, including loss of life and economic damage.
A survey of 1,263 people found that discussing global warming leads to increased learning of key facts about the scientific agreement on global warming. This knowledge in turn influences beliefs and promotes more climate-related conversations.
Researchers at EMBL discovered a molecular feedback loop that creates regular spacing between leaves, resulting in spiral patterns. This loop involves cells coordinating with neighbors to transport auxin hormone, which builds up and triggers the formation of new hotspots.
Research by George Washington University researchers found a special amplifier that boosts weak neural signals in the developing brain, allowing for accurate information transfer. This unique amplification circuit is thought to be responsible for the differing levels of seizures in young and old individuals.
A new study by Lily Tsai of Massachusetts Institute of Technology found that citizens in rural China engage in 'constructive noncompliance' to prompt government policy changes, often based on issues like property. The research suggests a greater willingness to disobey laws in situations where citizen input is more likely.
A new study by University of Virginia psychologists has found a significant correlation between the perceived size of a softball and the batting average of its players. The study, published in Psychological Science, suggests that when players are hitting well, they perceive the ball as larger, while poor performers see it as smaller.
Scientists predict that the Arctic Ocean could be ice-free during the summer months within 100 years due to rapid warming. The report highlights the urgent need for reducing carbon dioxide emissions to mitigate this drastic change.