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Fish Heart Out of Water
Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...
Mangrove hummingbirds rely on the sweet nectar from the Pacific mangrove. This rare...
Cells Get Fat
These cells are from a pygmy sperm whale in a laboratory culture dish. The red dyed...
In the 1940s the short-tailed albatross population plummeted from tens of millions...
The rich colors of emperor angelfish make them a vibrant version of royalty. They...