Abstract The history of the profession librarian is inextricably intertwined with library, especially that last decades. first image comes to mind when one thinks a library closed environment, reserved for academics and scholars, where silent employees compile paper catalogs following intricate rules. In USA, nature these places has changed rapidly since middle century, technology forcefully be...

It is often assumed that aging is a uniform process throughout adulthood because of the approximately linear increase of logarithmic mortality. We explored this assumption by analyzing cause-specific mortality increases in France (1979-1994). Rising rapidly at ages 30-54 years ("middle age") are death rates from malignant neoplasms at various sites, acute myocardial infarction, hypertensive dis...