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Phys.org / Archived tree cores reveal why boreal forests are getting starved for nitrogen
Despite decades of industrial deposition, nitrogen availability in the boreal forest is steadily declining. In a new study published in Nature, researchers from the Swedish University of Agricultural Sciences using decades ...
Phys.org / Double white dwarf system detected in a nearby stellar cluster
Using the Very Large Telescope (VLT), astronomers have discovered a compact binary system consisting of two white dwarfs in the center of a nearby globular cluster designated NGC 6397. The finding was presented in a paper ...
Phys.org / New chip-scale microcomb uses lithium niobate to generate evenly spaced light
Applied physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have discovered a new way to generate ultra-precise, evenly spaced "combs" of laser light on a photonic chip, a breakthrough ...
Medical Xpress / Being physically fit may keep you calm under pressure
Regular exercise is not only good for the body, but it may also help you stay cool under pressure. Research published in the journal Acta Psychologica found that higher cardiorespiratory fitness (CRF) is associated with lower ...
Medical Xpress / Mechanism behind immunotherapy resistance in lung cancer identified
Mayo Clinic researchers and collaborators have identified a previously unrecognized way lung tumors weaken the immune system, helping explain why many patients do not respond to immunotherapy and pointing to a potential new ...
Medical Xpress / How blast waves can damage the brain without a head injury
An explosion does not need to strike the head to injure the brain. When a blast occurs, it generates a sudden pressure wave that can pass through the body and skull in milliseconds, potentially deforming brain tissue and ...
Tech Xplore / Social media can be addictive even for adults, but there are ways to cut back
Social media addiction has been compared to casinos, opioids and cigarettes.
Medical Xpress / Kirigami-inspired sensors precisely map activity of neurons in the primate brain
Recent technological advances have opened new exciting possibilities for the development of smart prosthetics, such as artificial limbs, joints or organs that can replace injured, damaged or amputated body parts. These same ...
Phys.org / How your body senses cold—and why menthol feels cool
When you step outside on a winter morning or pop a mint into your mouth, a tiny molecular sensor in your body springs into action, alerting your brain to the sensation of cold. Scientists have now captured the first detailed ...
Phys.org / Ancient cone-shaped vessels may have served as beeswax lamps during ritual processions, study finds
Chalcolithic cornets are conical ceramic vessels produced exclusively during the Chalcolithic period, recovered in abundance at some archaeological sites but absent at others. Their function has long been debated. However, ...
Medical Xpress / Exhaust fans and air purifiers may cut adult asthma flare-ups, study finds
For adults with asthma, having fans, air purifiers or other ventilation and exhaust systems—especially in kitchens and bathrooms—is one of the best ways to reduce the risk of flare-ups at home.
Phys.org / Why some tunes stick: Mathematical symmetry helps explain catchy melodies
Why do some melodies feel instantly right, balanced, memorable and satisfying, even if you have never heard them before? New research from the University of Waterloo suggests that more than creativity is at play.
