The SARS coronavirus 2 (SARS-CoV-2) infects lung cells and is responsible for the COVID-19 pandemic. The viral spike protein mediates entry of the virus into host cells and harbors an unusual activation sequence. The Infection ...
Cell & Microbiology
May 4, 2020
0
71
Our bodies are home to hidden trees—complex, branching structures vital to the functions of organs including the lung, kidney, and pancreas.
Plants & Animals
Apr 27, 2020
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11
A new approach brings the hope of new therapeutic options for suppressing seasonal influenza and avian flu. On the basis of an empty and therefore non-infectious shell of a phage virus, researchers from Berlin have developed ...
Bio & Medicine
Mar 31, 2020
23
274
Taking the evolutionary plunge into water and abandoning land for good, as some crocodilian ancestors did nearly 200 million years ago, is often framed as choosing freedom: from gravity, from territorial boundaries, from ...
Evolution
Mar 31, 2020
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19
Whether it is a drug-resistant strain of bacteria, or cancer cells that no longer react to the drugs intended to kill them, diverse mutations make cells resistant to chemicals, and "second generation" approaches are needed. ...
Biotechnology
Mar 24, 2020
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144
Biohydrogels—biomaterials composed of polymer chains dispersed in water—have been studied closely by researchers for their potential use in biomedical applications, such as in tissue repair, as surgical sealants, and ...
Condensed Matter
Mar 24, 2020
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8
Nearly 90 percent of the 200 cities beset by the world's highest levels of deadly micro-pollution are in China and India, with most of the rest in Pakistan and Indonesia, researchers reported Tuesday.
Environment
Feb 25, 2020
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656
The global cost of air pollution caused by fossil fuels is $8 billion a day, or roughly 3.3 percent of the entire world's economic output, an environmental research group said on Wednesday.
Environment
Feb 12, 2020
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21
Virginia Tech scientists have discovered that incredibly small particles of an unusual and highly toxic titanium oxide found in coal smog and ash can cause lung damage in mice after a single exposure, with long-term damage ...
Bio & Medicine
Feb 5, 2020
1
99
USC scientists have developed a new tool to peer more deeply and clearly into living things, a visual advantage that saves time and helps advance medical cures.
Analytical Chemistry
Feb 5, 2020
0
233
