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This blue-green microbe called a cyanobacterium was likely the first photosynthetic...
Fish Heart Out of Water
Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...
Cells Get Fat
These cells are from a pygmy sperm whale in a laboratory culture dish. The red dyed...
Tardigrades, which are usually less than 1 mm long, can be found in almost every...
A Microbial Reef
This photograph from a scanning electron micrograph shows the plastisphere up...