Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...
Wisdom teeth are more than just an uncomfortable dentist appointment. They are evidence of how human evolution cherry-picked ...
Morning Overview on MSN
Arizona study finds tiny ants climb into larger ants’ jaws to clean
A red harvester ant holds its jaws wide open while a cone ant barely a third its size crawls inside and picks the mouthparts ...
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