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Phys.org / Sea urchin spines inspire self-powered underwater sensors
Nature does it again! The natural world has a knack for giving us the blueprints for some useful technologies, and the humble sea urchin is the latest contributor. Scientists have designed a new class of smart sensors by ...
Phys.org / Dogs are more like toddlers than cats when it comes to helping humans
Why does your dog rush to "help" when you are searching for something, while your cat seems… eh, less concerned? New research suggests that this difference may stem from deep evolutionary roots—and that, in certain situations, ...
Phys.org / Rydberg atoms detect clear signals from a handheld radio
For the first time, a team of US researchers has used sensors containing highly excited Rydberg atoms to detect signals from an ordinary handheld radio. Through a careful approach to demodulating the incoming signals, Noah ...
Phys.org / Improved short-term sea level change predictions achieved with better AI training
Sea level can temporarily change for a variety of reasons—atmospheric pressure shifts and water accumulation from wind and storms, for example—which can cause flooding in coastal communities and affect maritime industry ...
Medical Xpress / Major study finds strong link between cannabis, anxiety and depression
An analysis of 35,000 Canadians shows that rising cannabis use and worsening mental-health symptoms are increasingly appearing together, with the connection between the two strengthening over time. The study, led by McMaster ...
Phys.org / It's never too late to learn a language: Adults and kids bring different strengths to the task
There's a common assumption that if someone starts learning a language when they are very young, they will quickly become fluent. Many people also assume that it will become much harder to learn a language if they start later ...
Phys.org / Romance and sexual intimacy don't diminish with age, study suggests
A study by the University of New Hampshire challenges common assumptions about aging and intimacy, revealing that many single adults aged 60 to 83 continue to prioritize sexual activity in their romantic relationships—underscoring ...
Tech Xplore / How natural hydrogen, hiding deep in the Earth, could serve as a new energy source
In the search for more, new and cleaner sources of energy, a largely untapped resource is emerging: natural hydrogen.
Medical Xpress / DopFone app can accurately track fetal heart rate using only a smartphone
Heart rate is an important sign of fetal health, yet few technologies exist to easily and inexpensively track fetal heart rates outside of doctors' offices. This can create risks for pregnancies in low-resource regions where ...
Medical Xpress / First national report finds strengths, gaps in emergency care for children before they reach the hospital
A new national study shows that while many emergency medical services (EMS) agencies across the United States are well-equipped to care for children, important gaps remain in training, quality improvement, and coordination ...
Phys.org / Brown recluse spiders rare in Florida and reluctant to bite, study finds
A newly published study co-authored by University of South Florida alum Louis Coticchio and USF integrative biologist Deby Cassill challenges long-standing assumptions about the brown recluse spider, finding the species is ...
Medical Xpress / Oral semaglutide found to lower risk of heart failure events in people with type 2 diabetes
An international clinical trial has found that an oral form of semaglutide, a widely used diabetes drug, reduced the risk of serious heart failure events in people with type 2 diabetes who already had heart failure. The findings, ...