All News
Phys.org / Century of data shows global decline in fish growth
A new analysis has revealed a global decline in fish growth over the last century, with scientists warning that overfishing and environmental change are eroding the biological foundations of many fisheries. Helen Yan led ...
Medical Xpress / Cannabis and driving? Studies reveal big risks
Researchers at the Colorado School of Public Health (CSPH) are studying how cannabis use affects driving performance. Using a "video game-like" simulator, they measure how people drive before and after consuming cannabis.
Medical Xpress / Daylight Savings Time does not affect people's total daily step counts, but does affect when they walk
Every spring and fall, a furious debate ignites across the country: Should we do away with Daylight Savings Time? Beyond anecdotes of preferences among various professions and household situations, the debate raises real ...
Medical Xpress / Half of AI health answers are wrong even though they sound convincing—new study
Imagine you have just been diagnosed with early-stage cancer and, before your next appointment, you type a question into an AI chatbot: "Which alternative clinics can successfully treat cancer?" Within seconds, you get a ...
Phys.org / How accelerating evolution could help corals survive future heat waves—new study
As global warming accelerates, extreme heat waves are causing widespread death of tropical reef corals. Most corals rely on tiny algae cells living within their tissues that photosynthesize and produce energy. Corals use ...
Medical Xpress / Placebo effect can work as well as real medicine, but your body may need permission to use it
The first time the placebo effect really got under my skin was when I read that roughly one-third of people with irritable bowel syndrome improve on placebo treatments alone. Usually this statistic is presented as a fascinating ...
Medical Xpress / Heart failure risk can now be spotted years earlier with routine data
Heart failure presents a growing public health problem both in Estonia and across Europe. At the same time, its timely detection is often challenging. Together with international colleagues, Laura Lõo, Junior Research Fellow ...
Medical Xpress / Video: Smiling, yawning and gesturing: Why we unconsciously imitate one another
By copying each other's non-verbal behavior, we gain access to what others think and feel. In psychology, this is known as mimicry. As part of her Ph.D. research, cognitive psychologist Fabiola Diana investigated this phenomenon ...
Tech Xplore / At Beijing auto show, Chinese carmakers flaunt new technologies as global competition heats up
China's top automakers are showcasing their latest models and technologies from intelligent driving to ultrafast charging in Beijing as they compete with global rivals in overseas markets.
Medical Xpress / Researchers complete 16-year analysis of pediatric substance use health care patterns
Over the past 16 years, pediatric substance use-related visits (SUVs) to PEDSnet institutions have been increasing across all care settings and have increased at a greater percentage than visits overall, according to a comprehensive ...
Phys.org / Could the mathematical 'shape' of the universe solve the cosmological constant problem?
The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the cosmos. It's also the source of one of the most enduring and confounding problems in modern physics.
Dialog / Do decoherence, gravity, dark matter and dark energy all originate from quantum corrections?
Only about 5% of the universe is composed of normal matter that we can directly observe, while the remaining 95% is widely believed to consist of dark matter and dark energy. Paradoxically, however, the nature of these dark ...