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Phys.org / Mars-like conditions fail to kill some Earth pathogens, experiments suggest
Microorganisms from our planet could survive on celestial bodies where water is present, such as Mars. That is the conclusion of Ph.D. candidate Tommaso Zaccaria after experiments with simulated space conditions. Our immune ...
Phys.org / Can North America mine enough rare earth elements?
In the quest to create a robust supply chain of rare earth elements necessary for the clean energy revolution and everyday modern conveniences, North America has enough deposits of sufficient quality to begin looking in its ...
Medical Xpress / How intermittent fasting may shield the brain from chronic stress
Chronic stress, the prolonged exposure to psychological and/or physical strain, is known to be a risk factor for depression, anxiety and some other psychiatric disorders. Past studies suggest that chronic stress disrupts ...
Phys.org / Ancient amber fossil captures mites marching in line
Many animals exhibit fascinating collective behaviors, which allow them to move, search for food, reproduce and avoid threats more effectively than they would alone. One of these behaviors is queuing migration, which essentially ...
Medical Xpress / A renewable cell source for cancer immunotherapy could make off-the-shelf treatments possible
In a paper published in Cell, a USC Stem Cell-led team reports a new way of generating a renewable and expandable supply of the progenitor cells that give rise to macrophages. These immune cells help drive the body's response ...
Tech Xplore / New study shows one in seven people have been victims of sextortion—and AI is making it worse
The Australian eSafety Commissioner recently launched a new campaign to raise awareness of sexual extortion, or "sextortion." Targeted primarily at men, the campaign features AI-generated videos of attractive women attempting ...
Phys.org / Plant hormones in mammals challenge view of cytokinins as purely botanical
In biology, cytokinins were long considered regulators exclusive to the plant kingdom, where they control, among other things, growth and responses to stress. Until now, little research has been conducted into whether these ...
Medical Xpress / Neuroimmune abnormalities may play a key role in fibromyalgia
Fibromyalgia is a complex disorder characterized primarily by chronic widespread pain, fatigue and other physical and cognitive symptoms. Although it affects millions of people worldwide, the underlying biological mechanisms ...
Phys.org / Goats listen to human voices to find hidden food treats
Goats appear to have a rare ability not shared by many in the animal kingdom, and that is being able to follow the direction of a human voice to locate hidden objects. While dogs have been shown to do this, even our closest ...
Phys.org / White roofs and urban parks reduce heat in cities, but do not offset extreme global warming
The implementation of reflective white roofs and new urban parks can significantly reduce temperatures in cities and decrease population vulnerability to heat waves, although these measures are not sufficient to counteract ...
Phys.org / Super El Niños may lose their punch in a warming world
In a strong El Niño winter, normally dry regions can suddenly drown in rain. NASA notes that "typically dry regions can experience nearly two times as much rain during a strong El Niño." Indeed, the blockbuster El Niños of ...
Medical Xpress / Performing under pressure? For athletes, it depends on 3 key things
Why do some people seem to thrive under pressure while others seem to fold or crumple?