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Immigration Blues: Born in the USA—Mental-health deficit

A wide array of psychological disorders occur at a higher rate among the U.S.-born offspring of immigrants than among the immigrants themselves, a national study finds.

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Reading this article, I puzzled over the statement that “domestication diverges from a standard model of evolution. . . .” Darwin’s primary evidence for The Origin of Species included observations of domesticated pigeons and other species, and even Mendel worked with garden peas. Yet hybridization and artificial selection have been considered evil or dirty for […]

Kibble for Thought: Dog diversity prompts new evolution theory

A genetic mutation that researchers have examined in several dog breeds may drive evolution in many other species.