Mesenchymal stem cells (MSCs) have great potential for the treatment of various immune diseases due to their unique immunomodulatory properties. However, MSCs exposed to the harsh inflammatory environment of damaged tissue ...
Cell & Microbiology
Nov 27, 2023
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Teams at the U.S. Department of Energy's SLAC National Accelerator Laboratory recently celebrated the completion of a major upgrade to the world's first hard X-ray free-electron laser (XFEL), the Linac Coherent Light Source ...
General Physics
Nov 21, 2023
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Flagellated bacteria are propelled by the rotation of helical flagellar filaments, each with a flagellar motor at its base. Taking Escherichia coli (E. coli) as an example, each cell has 3–7 flagella whose rotation as a ...
Cell & Microbiology
Nov 21, 2023
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One of the world's most active volcanoes, Mount Etna, erupted on Sunday—spewing lava and clouds of ash high over the Mediterranean island of Sicily. This image, captured on 13 November by the Copernicus Sentinel-2 mission, ...
Earth Sciences
Nov 16, 2023
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Thousands of earthquakes in recent weeks have shaken the Icelandic fishing town of Grindavík, about 30 miles (50 kilometers) southwest of the capital Reykjavik. They have triggered evacuations and warnings that a volcanic ...
Earth Sciences
Nov 16, 2023
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A novel measurement technique has been developed to visualize the fluid flow and distribution within two droplets levitated and coalesced in space using fluorescence-emitting particles. This technique enabled the estimation ...
Optics & Photonics
Nov 16, 2023
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46
All cells secrete nanoscale extracellular vesicles naturally as lipid-bilayer delimited particles. Therefore they are valid biomarkers to identify a variety of diseases.
The one thing everyone knows about black holes is that absolutely everything nearby gets sucked into them. Almost everything, it turns out.
Astronomy
Nov 14, 2023
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Microplastics, from the beads that were once commonplace in cosmetics to the weathered and broken-down remnants of trash, are now ubiquitous in marine and inland waters around the world. To date, though, scientists have struggled ...
Environment
Nov 14, 2023
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Toothpaste has a hard job. Not only does it have to perform essential functions like scrubbing that coffee residue from your pearly whites, but it also must stay in the tube, exit smoothly under pressure and balance on a ...
Analytical Chemistry
Nov 9, 2023
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