Representative light microscopy images of carbonaceous (black) particles adherent to red blood cells (red arrows) from healthy volunteers. Each image is from a different adult volunteer. Researchers ...
A vibrant aurora display revealing how ionized particles from the sun excite oxygen and nitrogen in different atmosphere layers, creating iconic green and red aurora colors. Auroras, known for their ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results