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Phys.org / Mosquito 'toilet' detects West Nile and first Hedwig-like virus found in the Americas
When public health researchers want to know whether diseases such as COVID-19 or polio are circulating in a community, they can look for genetic evidence in wastewater.
Phys.org / A new plasma thruster design breathes thin air for propellant
Choosing an orbit for a satellite always comes with trade-offs. Very low Earth orbit (VLEO), between 100–450 km (62–280 miles), has distinct advantages. Remote-sensing cameras can take better pictures, communications and ...
Tech Xplore / No, AI systems don't have a drive to survive—developmental psychologist explains why it only looks that way
In controlled safety tests described earlier this year, researchers asked AI models to solve a series of simple math problems. Partway through the exercise, the instructors warned the bots that if they tried to solve the ...
Phys.org / A wandering black hole caught feeding on the run
Astronomers have found the first direct evidence that a wandering black hole can feed itself by dragging gas along in its wake as it moves through its galaxy. It's the first direct evidence of an accretion channel long predicted ...
Medical Xpress / Popular weight-loss drug could change how doctors treat sleep apnea
One in eight people worldwide does not get an uninterrupted night's sleep because of obstructive sleep apnea (OSA). This sleep disorder causes people to wake up suddenly when a blockage or narrowing in the upper airway prevents ...
Phys.org / Evolutionary home advantage: Field experiment reveals adaptation to be surprisingly local
A research team from the University of Bern has shown in a large-scale field experiment that populations of the same fish species can be much more fine-tuned to their local environments than previously thought. Habitats that ...
Phys.org / A galaxy with almost no stars? New Cloud-9 observations strengthen the case
Astronomers have taken one of the deepest looks yet at Cloud-9, a candidate "dark galaxy," and found no trace of stars. The paper outlining this discovery was posted to the arXiv preprint server on Aug. 21.
Phys.org / What are best options for controlling GSL dust, and what would they cost?
A new collaborative report from University of Utah researchers and coordinated by the Wilkes Center for Climate Science & Policy provides Utah Department of Natural Resources, Department of Environmental Quality and policymakers ...
Medical Xpress / Bacteria in the airway may shape air pollution health risk
Air pollution is linked to different risks of bacterial pneumonia, sepsis and meningitis, depending on the bacterial subtype a person carries, new research suggests.
Phys.org / Is science journalism dying? Comparing a 'science crash' 40 years ago to today
When two popular science magazines—out of about 17 in circulation—ceased publication in the same year, one commentator said, "The science magazines didn't shake out. They fell apart." The general manager of one of the failed ...
Medical Xpress / Strength training 101: A guide to building muscle safely at any age
Strength training is one of the most effective ways to improve your health, boost your metabolism and enhance your quality of life—no matter your age.
Medical Xpress / Drug improves sexual function for patients with depression, study finds
Patients with major depressive disorder (MDD) and an inadequate response to standard antidepressants who received add-on treatment with the drug lumateperone had significantly improved sexual function, according to a new ...