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Fish Heart Out of Water
Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...
In China, a marsh grass called Spartina alterniflora was introduced in...
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...