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Pulmonary Hypertension Global Patient Survey: A Call to Action 2025. [PDF]

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Feathered dinosaurs

Current Biology, 2020
Feathers are the most complex integumentary structures in the animal world. They come in a variety of forms, the most familiar of which are remiges (flight feathers). Flight feathers are composed of a central shaft made up of a hollow calamus (quill), which is inserted into the skin, and a more distal rachis.
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Cretaceous Dinosaur Extinction

Evolution, 1968
The reign of dinosaurs, dominant on land for about 150 million years, terminated at the close of the Cretaceous. They did not all disappear at precisely the same moment, but from a peak of about 120 genera near the middle of the period, dwindled in numbers down to the end of Cretaceous at which time a large number of genera became extinct (Newell, 1962;
Daniel I, Axelrod, Harry P, Bailey
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Dinosaurs, Dinosaur Eggs, and Probability

The Mathematics Teacher, 2001
In their article “What Every High School Graduate Should Know about Statistics,” Scheaffer, Watkins, and Landwehr (1998) contend that one cannot understand statistics without understanding probability. As a consequence, the authors outline several recommendations regarding teaching probability in the secondary school.
Anne R. Teppo, Ted Hodgson
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