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Turtles finally have a place in the tree of life thanks to an X‑ray study of South African fossils
The origin of turtles has always been a bit of a puzzle for scientists who study the evolution of animals. To this day, where ...
Editor’s note: This is the first in a two-part series on how Arizona got its shape. On Feb. 24, 1863, Abraham Lincoln signed legislation dividing the New Mexico Territory into two approximately equal ...
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