to identify different formal and informal communities within an organization by graphing mail flow. Researchers Joshua Tyler, Dennis Wilkinson and Bernardo Huberman studied e-mails sent between any ...

We describe a new computer program, Trilogy, for the automated discovery of sequence-structure patterns in proteins. Trilogy implements a pattern discovery algorithm that begins with an exhaustive ...

In April 1982, Prof. Dan Shechtman of the Technion–Israel Institute of Technology made the discovery that would later earn him the 2011 Nobel Prize in Chemistry: the quasiperiodic crystal. According ...

THE evaluation of any acid–base disturbance requires a knowledge of the expected degree of compensation for a primary disorder of any specified magnitude. The most logical approach to this problem is ...

Sea urchin skeletons may owe some of their strength to a common geometric design. Urchin skeletons display “an incredible diversity of structures at the microscale, varying from fully ordered to ...

American Journal of Sociology, Vol. 68, No. 2 (Sep., 1962), pp. 214-228 (15 pages) The interaction processes of three-generation families of three, four, and five persons are analyzed with respect to ...