You’ll find circles in lots of slides in Microsoft PowerPoint, but what you might not see as often are circles filled with two different colors. You might think, “Use semi-circles!” but guess what? A ...
The circle-shaped objects in the image above are cobalt-porphyrin-phospholipid (CoPoP) nanoparticles decorated with flu proteins. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy ...
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