A right angle is a ninety-degree angle.

A RECENT report by Anderson et al. on the antithyroid activity of a series of alkyl derivatives of thiouracil shows that peak activity is reached at the n-propyl compound.

Although developed around the First Cold War of 1947-53, the same debate, about causes and responsibility, elaborated simultaneously rather than sequentially, can be identified with regard to the Second Cold War, of 1979-85.

Witness just this Whitman's Sampler of sweet author treats: The first female secretary of state (Madeleine Albright). A perennial best-seller and an Oprah pick (Sue Miller). A winner of the Nobel Peace Prize (Muhammad Yunus). Three local black poets (Colleen J. McElroy, Gloria Burgess, Lauri Conner). A humor writer for Saturday Night Live and The New Yorker, turned best-selling debut novelist (Patricia Marx).