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Medical Xpress / Urban vs. rural exercise habits: Why walking dominates, yet many miss activity targets

In a recent study of U.S. adults, walking was—by far—the most popular leisure-time physical activity, while rural residents also enjoyed gardening, hunting and fishing, and urban residents more commonly reported running, ...

9 hours ago
Phys.org / How gossiping mushroom networks share your public urination secrets

Psst, have you heard that mushrooms can "gossip" and spread information to their neighbors? Underneath the umbrella-like shapes we see on the forest floor is a hidden underground network that allows mushrooms to communicate. ...

11 hours ago
Phys.org / Chaos shapes how meandering rivers change over time, research shows

Rivers are rarely the calm, orderly streams we imagine on maps. Over time, their winding paths—called meanders—shift, bend, and occasionally snap off in sudden "cutoff" events that shorten loops and reshape the landscape. ...

5 hours ago
Medical Xpress / A stiff defense: Physical rigidity of healthy gum tissue found to shield against chronic periodontal inflammation

Periodontitis is a serious chronic inflammatory form of gum disease that affects millions worldwide. It can lead to tooth loss and the destruction of supporting bone. This disease has also been linked to other health problems, ...

5 hours ago
Tech Xplore / Lithium-air batteries break performance barriers thanks to a newly developed 2D catalyst

As the electric vehicle and energy storage system (ESS) markets experience rapid growth, the development of next-generation batteries capable of surpassing the energy density limitations of existing lithium-ion batteries ...

10 hours ago
Phys.org / Ultrafast quantum light pulses measured for the first time

Researchers at the Technion—Israel Institute of Technology have, for the first time, measured the temporal duration of individual pulses of an extraordinary form of quantum light known as bright squeezed vacuum (BSV). Their ...

11 hours ago
Medical Xpress / Uncovering cellular drivers of increased brain signal activity

Northwestern Medicine scientists have discovered new insights into how high gamma activity—an informative, widely studied brain signal—is generated, findings that can impact how past and future neurological studies using ...

10 hours ago
Phys.org / Fins, fingers and toes: A new take on repeating body parts and how they come to be

As biologists know, nature can take its sweet time explaining itself. Andrew Gillis, associate scientist at the Marine Biological Laboratory (MBL), has been investigating how the paired fins of fishes evolved for nearly 20 ...

5 hours ago
Tech Xplore / VisiPrint system generates realistic 3D-print previews from two images

Designers, makers, and others often use 3D printing to rapidly prototype a range of functional objects, from movie props to medical devices. Accurate print previews are essential so users know a fabricated object will perform ...

11 hours ago
Medical Xpress / The body's internal clock can be determined from a hair sample

A research team at Charité–Universitätsmedizin Berlin has developed a test that can determine a person's chronotype based on their hair roots. It is intended to lay the foundation for circadian medicine—that is, medicine ...

10 hours ago
Phys.org / Researchers warn of risks posed by 'contaminants of emerging concern' found in crops, agricultural soil

A new international study offers insights into the health risks posed by crops' absorption of "contaminants of emerging concern" (CECs) and flags knowledge gaps the authors say must be addressed. CECs include pharmaceuticals, ...

3 hours ago
Phys.org / Virus-inspired DNA needle could pave the way for better medicines

Researchers at Aarhus University have developed a microscopic DNA needle that can deliver molecules directly into cells—and, crucially, help make sure they remain active once they get there. That addresses a major problem ...

5 hours ago