Levels and descriptors of violence among European street gangs are summarized from studies reported primarily under the aegis of the Eurogang Program initiated in 1997 and continuing still. European gang violence is placed in the context of its American counterpart, of European non-gang youth violence, and of the definitional and structural components of the Eurogang Program. European gangs in ...

Acknowledgements The data used in this paper is that of Professor Cintron. Some he collected before I began my assistanship, and the rest was collected after January, 1991. Many of my observations in this paper have come from my year of working with Professor Cintron. Observations arose in conversation or sometimes in writing, but it is difficult to footnote the exact source. I highly recomend ...

Hyaluronan is a matrix polymer prominent in tissues undergoing rapid growth, development, and repair, in embryology and during malignant progression. It reaches 10(7) Daltons in size but also exists in fragmented forms with size-specific actions. It has intracellular forms whose functions are less well known. Hyaluronan occurs in all vertebrate tissues with 50% present in skin. Hyaluronan provi...

International efforts are now growing to try to outlaw one of the most controversial possibilities of recent reproductive research: cloning humans. Spurring these moves last month were the outspoken plans of Italian fertility specialist, Severino Antinori and his colleague Panayiotis Zavos, who announced at a meeting in Washington that they were pushing ahead with experiments on human cloning a...