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Phys.org / Honest or deceptive? What a new signaling model means for animal displays and human claims

For decades, scientists have tried to answer a simple question: why be honest when deception is possible? Whether it is a peacock's tail, a stag's roar, or a human's résumé, signals are means to influence others by transmitting ...

Feb 4, 2026 in Biology
Medical Xpress / Brain network responsible for Parkinson's disease identified

Parkinson's disease, a progressive neurological disorder affecting more than 1 million people in the U.S. and more than 10 million globally, is characterized by debilitating symptoms such as tremors, movement difficulties, ...

Feb 4, 2026 in Neuroscience
Medical Xpress / Premature aging may result from immune responses triggered by faulty DNA repair

DNA is often described as the instruction manual for building the fundamental components of life. Proteins are helpers that aid DNA in carrying out essential processes such as replication, repair, and transcription. Under ...

Phys.org / Temperature of some cities could rise faster than expected under 2°C warming

New research led by the University of East Anglia (UEA) shows how many tropical cities are predicted to warm faster than expected under 2°C of global warming.

Feb 4, 2026 in Earth
Medical Xpress / Cap-like OLED wearable could prevent hair loss, replacing bulky helmet devices

A new solution that could overcome the limitations of conventional hair-loss treatments is emerging. Heavy and rigid helmet-type phototherapy devices may soon become a thing of the past. A joint research team has developed ...

Feb 4, 2026 in Biomedical technology
Medical Xpress / Forever chemicals may boost multiple sclerosis risk—is your water safe?

Could plastic byproducts and forever chemicals found in drinking water cause your body to attack your own nervous system? Research from Sweden links higher levels of per- and polyfluoroalkyl substances (PFAS) and polychlorinated ...

Medical Xpress / How shift work and irregular eating impact your liver body clock

Shift work and irregular eating patterns could affect liver function and disrupt its delicate circadian rhythm, University of Queensland researchers have found. Dr. Meltem Weger from UQ's Institute for Molecular Bioscience ...

Phys.org / Where are Europe's oldest people living? What geography tells us about a fragmenting continent

For over a century and a half, life expectancy has steadily increased in the wealthiest countries. Spectacular climbs in longevity have been noted in the 20th century, correlating with the slump in infectious illnesses and ...

Feb 4, 2026 in Other Sciences
Phys.org / How intertidal sediment stratification regulates coastal nutrient fluxes

A research team led by Prof. Xiao Kai from the Yantai Institute of Coastal Zone Research of the Chinese Academy of Sciences has systematically elucidated the transformation and transport processes of nutrients in intertidal ...

Feb 5, 2026 in Earth
Medical Xpress / Rates of autism in girls and boys may be more equal than previously thought

Autism has long been viewed as a condition that predominantly affects male individuals, but a study from Sweden published by The BMJ shows that autism may actually occur at comparable rates among male and female individuals. ...

Feb 4, 2026 in Autism spectrum disorders
Phys.org / Nanocrystal biohybrids harvest light to reduce N₂ gas to ammonia

Ammonia, a key part of nitrogen fertilizers, is central to sustaining global food production. However, its manufacture is also energy intensive: Ammonia production requires 2% of global energy to meet global demand. Approximately ...

Feb 4, 2026 in Nanotechnology
Medical Xpress / GLP-1 drugs tied to lower-calorie, lower-sugar food purchases

Researchers at Steno Diabetes Center Copenhagen reported that starting a GLP-1 receptor agonist (GLP-1RA) coincided with slightly healthier supermarket purchases. Grocery purchases from GLP-1RA users in Denmark contained ...

Feb 3, 2026 in Health