Phys.org news

Phys.org / Soil-dwelling myxobacteria reveal five new classes of bioactive compounds

Most antibiotics used clinically are based on natural compounds produced by bacteria and other microorganisms. At the Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), researchers are using soil-dwelling myxobacteria ...

3 hours ago
Phys.org / Oxytocin nudges distrustful men to invest 15% more in anonymous trust game

In 2005, a research team led by University of Zurich economics professor Ernst Fehr published a study in the journal Nature that provided evidence for the first time that intranasally administered oxytocin can increase trusting ...

7 hours ago
Phys.org / 20-year study finds pre-K impacts a child's academic future

Students who attended public school pre-K performed better academically through high school than those in family-based child care, according to new research from Florida International University.

7 hours ago
Phys.org / Immune 'reprogramming' could protect poultry from deadly diseases without antibiotics

University of Bristol–led researchers have identified a naturally occurring gut molecule that could strengthen chickens' immune response against a wide range of bacterial infections. This development, published today, Aug. ...

8 hours ago
Phys.org / Unfamiliar with rattlesnakes, blackbirds still avoid striking them while defending nests

In a rare study of snakes as nest predators, scientists found nesting birds were loath to strike rattlesnakes even though they likely had no previous experience with vipers.

10 hours ago
Phys.org / Mirage or miracle? JWST finds earliest known 'black hole star' at cosmic dawn

Little red dots have puzzled astronomers since their discovery in James Webb Space Telescope (JWST) data from the universe's deep past. Their "powering engines" might resemble a newly discovered phenomenon dubbed a "black ...

9 hours ago
Phys.org / Spontaneous magnons synchronize with external signals at room temperature

Signals ride on waves of one kind or another: light, sound, radio. But new carriers are needed to relay information in next-generation devices. Disturbances or waves in magnetic materials called magnons could be an efficient ...

8 hours ago
Phys.org / What happens to nanoparticles when they enter the bloodstream?

The use of nanoparticles in drug delivery offers key advantages: they can enable targeted drug delivery, protect active ingredients from premature degradation, extend their duration of action in the body and reduce side effects. ...

9 hours ago
Phys.org / How drought is reshaping the spread of infectious diseases

From the American West to Europe, droughts are drying up rivers, fueling destructive fires and reshaping ecosystems. They are also changing the spread of infectious diseases, leading to surges in illnesses like cholera and ...

9 hours ago
Phys.org / Hurricane Hunter data reveal early signs of strengthening tropical cyclones

Before tropical cyclones can significantly strengthen, they generally must first become vertically aligned, with their rotating centers stacked through the atmosphere. New research using nearly three decades of NOAA Hurricane ...

9 hours ago
Phys.org / Tropical trees show unexpected drought adaptability across Puerto Rico's rainfall extremes

Tropical forests store enormous amounts of carbon and harbor most of the world's terrestrial biodiversity, but scientists fear that increasingly severe droughts threaten their ability to survive and continue absorbing carbon ...

9 hours ago
Phys.org / When male suitors abound, female treefrogs have trouble picking mates

Much like an indecisive single person on a dating app, female treefrogs struggle to pick the most desirable mates when they have too many options to choose from. According to a new study published Aug. 12 in the journal iScience, ...

9 hours ago