Assimilative capacity refers to the ability of the environment or a portion of the environment (such as a stream, lake, air mass, or soil layer) to carry waste material without adverse effects on the environment or on users of its resources....

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Peter Carlson's rant ["Hey Professor, Assimilate This!" Style, March 9] illustrated the raw emotion and innumeracy that unfortunately characterize the pro-immigration argument. In dismissing Samuel Huntington's concerns about mass Mexican immigration, Mr. Carlson argued that today's Mexicans will assimilate as did the Italians,...

Biology, ancestry and the black athlete By RICHARD BERNSTEIN New York Times News Service Sunday, January 23, 2000 Taboo: Why Black Athletes Dominate Sports and Why We're Afraid toaTalk About It. By Jon Entine. 387 pages. PublicAffairs. $25. Black...

I grew up in a very Jewish family, now I'm like what we used to call a Waspy Jew. I can laugh at this with my non-Jewish wife around my parents, but I don't think they're entirely amused. It probably hurts my mother a little....

Legislation to make English the state's official language has run into opposition from American Indians, who say their native tongues are dying fast enough without any help from lawmakers.As Oklahoma observes its centennial year, the English-only issue points up divisions that persist more than a...