THE point raised by Mr. Cumming in last week's NATURE (vol. xxxvii. p. 584), as to the use of the words density and specific gravity is, it seems to me, of some importance. For many years past I have, ...

THE clinical value of the urinary specific gravity is unchallenged by the thousands who routinely perform it as part of every urinalysis. The claim that it differentiates transudate from exudate in ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

To the Editor: It comes as no surprise that Galambos et al., in the March 5 issue of the Journal, were able to demonstrate a significant lack of precision or correlation with osmolar concentration in ...