of High-Purity Definitive Endoderm from Human Parthenogenetic Stem Cells using an in vitro Analog of the Primitive Streak," by Nikolay Turovets et al., in Cell Transplantation, Vol. 20, No. 6; June 2011 U.S. stem cell scientists breathed a sigh of relief this July when a federal judge upheld the Obama administration’s expansion of stem cell research. He ruled that work on existing embryonic ste...

This article is a refinement of verbal reactions to O'Toole's and Corsino's remarks at a national conference on Access to Oral Health Care held at the headquarters of the American Dental Association in August 2005. The article consists of two parts, each part an answer to specific questions. The first is a reaction to Corsino's explanation of Patthoff's concept of Universal Patient Acceptance. ...

Hydrocarbon and wax ester components of cuticular lipids of the braconid parasitoid Habrobracon hebetor Say reared at 25 degrees C on larvae of a pyralid moth have been identified by GC-MS and analyzed with respect to adult age, mating status, and diet. The hydrocarbons range in carbon number from C(21) to C(45) and consist of a homologous series of n-alkanes, 11-, 13-, and 15-methyl alkanes, 1...