Long-term and excessive use of antibiotics has caused the spread of antibiotic resistance. The time- and cost-consuming process of new antibiotic development results in the much slower emergence of new antibacterial drugs ...
Bio & Medicine
Aug 19, 2022
0
104
Near Earth's north and south poles, wispy, iridescent clouds often shimmer high in the summertime sky around dusk and dawn. These night-shining, or noctilucent, clouds are sometimes spotted farther from the poles as well, ...
Planetary Sciences
Jul 22, 2022
1
6
The latest research from the labs of Penn scientists Paulo Arratia and Douglas Jerolmack was an answer to "a call for help," says Arratia.
General Physics
Jul 14, 2022
0
138
When NASA's OSIRIS-REx spacecraft collected samples from asteroid Bennu's surface in 2020, forces measured during the interaction provided scientists with a direct test of the poorly understood near-subsurface physical properties ...
Planetary Sciences
Jul 7, 2022
0
72
Forming metal into the shapes needed for various purposes can be done in many ways, including casting, machining, rolling, and forging. These processes affect the sizes and shapes of the tiny crystalline grains that make ...
Analytical Chemistry
May 20, 2022
0
1056
Research published in The European Physical Journal Plus shows that it is possible to classify rocks according to the size of the particles they contain during quarrying, using a portable Raman spectrometer.
Earth Sciences
May 4, 2022
0
3
Dust storms are unpleasant but they appear to be the only relief on the horizon for people in northern India sweltering under temperatures that have already crossed 44 degrees Celsius and are expected to climb higher as summer ...
Environment
Apr 29, 2022
0
15
Honey is already a thick liquid, but let it begin to crystalize and it can become downright clumpy. The sugar crystals in suspension seem to increase its viscosity. This phenomenon occurs throughout the natural and constructed ...
Soft Matter
Apr 7, 2022
0
81
The need to include nanoplastics in existing regulatory frameworks arises from the increasing number of studies demonstrating the bioavailability and harmfulness of smaller plastic particles, compared to larger fragments ...
Environment
Mar 15, 2022
0
9
New methods for measuring the size and concentration of ultrafine particles using charged plasmas can be used to make future sensors for health benefits.
Plasma Physics
Feb 9, 2022
0
23
