Mathematicians Who Never Were

Who Were the Maya ?

12 volume 54, number 1 expedition he ancient maya created one of the world’s most brilliant and successful civilizations. But 500 years ago, after the Spaniards “discovered” the Maya, many could not believe that Native Americans had developed cities, writing, art, and other hallmarks of civilization. Consequently, 16th century Europeans readily accepted the myth that the Maya and other indigeno...

The Child Who Never Grew

Who were Fabry and Pérot?

In 1897 Charles Fabry and Alfred Pérot published their most important article on what we now call the Fabry–Pérot interferometer. Despite the great importance of this instrument for present-day research in physics and astrophysics, its inventors are almost completely unknown to most physicists. This article presents brief accounts of the life and work of Fabry and Pérot, who at the beginning of...

Were Fertile Crescent crop progenitors higher yielding than other wild species that were never domesticated?

During the origin of agriculture in the Fertile Crescent, the broad spectrum of wild plant species exploited by hunter-gatherers narrowed dramatically. The mechanisms responsible for this specialization and the associated domestication of plants are intensely debated. We investigated why some species were domesticated rather than others, and which traits they shared. We tested whether the proge...

Pulmonary hypertension drugs were never properly tested in heart failure.

Correspondence Financial/nonfi nancial disclosures: The authors have reported to CHEST the following confl icts of interest: Dr Lip has served as a consultant for Bayer; Astellas Pharma; Merck & Co; Sanofi ; Bristol-Myers Squibb/Pfi zer Inc; Daiichi Sankyo, Inc; BIOTRONIK; Portola Pharmaceuticals, Inc; and Boehringer-Ingelheim GmbH and has been on the speakers’ bureau of Bayer, Bristol-Myers Sq...