CHAIRMEN AND MATHEMATICS (A) PHYSICS (B) CHEMISTRY (C) ASTRONOMY (D) Lipman Bers Edwin M. McMillan Thomas E. Taylor Frank D. Drake SECRETARIES OF F. A. Ficken Rolf M. Sinclair Leo Schubert Arlo U. Landolt AAAS SECTIONS PSYCHOLOGY (J) SOCIAL AND ECONOMIC SCIENCES (K) HISTORY AND PHILOSOPHY OF SCIENCE Carl P. Duncan Robert K. Merton Ernest Nagel William D. Garvey Harvey SapoIsky Dudley Shapere IN...

This paper is concerned with estimating preference functionals for choice under risk from the choice behaviour of individuals. We note that there is heterogeneity in behaviour between individuals and within individuals. By ‘heterogeneity between individuals’ we mean that people are different, in terms of both their preference functionals and their parameters for these functionals. By ‘heterogen...

Science Highlights First Structural Investigation of a Super-Hydrated Zeolite Yongjae Lee,1 Thomas Vogt,1 Joseph A. Hriljac,2 John B. Parise,3 and Gilberto Artioli4 1Physics Dept, Brookhaven National Laboratory, Upton, NY 2School of Chemical Sciences, The University of Birmingham, Birmingham, UK 3Geosciences Dept, State University of New York, Stony Brook, NY 4University Milan, Dipartimento Sci...

Hypericum is a genus of flowering plants and presents nearly worldwide distribution. The relevance its species mainly based on the occurrence specialised secondary metabolites exhibiting wide range pharmaceutical cosmeceutical properties. most well-reported in last decade H. perforatum, together with exceptional polycyclic polyprenylated acylphloroglucinols metabolites. Several inhibitory enzym...

in the present study, the tangrah region located in the vicinity of golestannational park was selected for exploring the changes in the amount of the secondaryessential of hypericin in hypericum perforatum in different highlands of the easterngolestan province. the aerial flowered parts of the herb were collected randomly and inthree replications from four altitudes of 300 m, 600 m, 900 m, and ...