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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...
Lacy Crust Bryozoan
This colony of a lacy crust bryozoan (Membranipora membranacea) started off as just...
Tardigrades, which are usually less than 1 mm long, can be found in almost every...
The Spanish Dancer
The Spanish dancer is one of the largest species and best swimmers of the...