G. Cullen, H. van Deurzen, N. Greiner, G. Luisoni, P. Mastrolia, 3 E. Mirabella, G. Ossola, 5 T. Peraro, and F. Tramontano 7 Deutsches Elektronen-Synchrotron DESY, Platanenallee 6, 15738 Zeuthen, Germany Max-Planck-Institut für Physik, Föhringer Ring 6, 80805 München, Germany Dipartimento di Fisica e Astronomia, Università di Padova, and INFN Sezione di Padova, via Marzolo 8, 35131 Padova, Ital...

Constructive Mathematics Simon Fraser University Burnaby BC Canada Lake Gargnano, Sept. 13{17, 1999 URL: www. e m.sfu. a/personal/jborwein Papers: www. e m.sfu. a/preprints/1 ABSTRACT. I will des ribe the basi ideas from Bana h spa e theory that allow one to fruitfully apply notions from smooth analysis in spa es whi h do not admit smooth renorms (or \bumps") and so to perform Partially Smooth ...

of the USDA ERS for supplying us with the data in a useable form. We thank Jay P. Shimshack for extensive and excellent research assistance and useful advice.

Jonathan Jay and colleagues draw lessons from the the global HIV response that could help guide the universal health coverage movement.

Non-iridescent structural plumage color is typically produced by coherent scattering of light within a matrix of keratin and air (a ;spongy layer') in feather barbs. It remains unclear what role, if any, the basal melanin layer underlying this spongy layer plays in the production of coloration. Amelanism in birds with structural color is a ;natural experiment' in which melanin pigmentation is l...

ii To my parents for nurturing my creative and academic pursuits iii Success is the sum of small efforts, repeated day in and day out. iv ACKNOWLEDGMENTS I would like to thank Jay Thompson and David Peate for their generosity with the ICP-MS. Jay played a crucial role in developing the arsenic analytical method, and always provided me with a tuned and sensitive instrument for sample analysis. I...