Many turtle species are endangered through a variety of human activities, from beach development, boating and shipping, and fishing. Awareness of the problems has mostly focused on protection of beaches used for breeding as individuals return to highly specific sites where they are particularly vulnerable. Apart from their breeding sites, much less is known about their long and complex movement...

We describe protocols for the fabrication of microfluidic devices in plastics using a number of different embossing masters. Masters were fabricated by deep reactive ion etching (DRIE) of silicon (100), wet etching of silicon (100) and (110), and SU-8 processing. Structures embossed into a cyclo-olefin polymer were characterized in terms of the quality of pattern transfer as well as of the surf...

Does R&D have an impact on the economic performance of an enterprise? To most economic observers, the obvious answer is yes. However, recent reports by Booz-Allen-Hamilton (BAH 2006, 2007) conclude that the share of spending devoted to research has no relationship to firm growth, profits, and value, and offers support to the view that it is possible to compete successfully in the modern economy...

We consider the Allen-Cahn equation ε∆u + u− u = 0 in Ω, ∂u ∂ν = 0 on ∂Ω, where Ω is a smooth and bounded domain in R such that the mean curvature is positive at each boundary point. We show that there exists a sequence εj → 0 such that the Allen-Cahn equation has a solution uεj with an interface which approaches the boundary as j → +∞.

The authors of "Relatedness, Conflict, and the Evolution of Eusociality" respond to objections raised by Martin Nowak and Benjamin Allen.

Formal asymptotic expansions have long been used to study the singularly perturbed Allen-Cahn type equations and reaction-diffusion systems, including in particular the FitzHugh-Nagumo system. Despite their successful role, it has been largely unclear whether or not such expansions really represent the actual profile of solutions with rather general initial data. By combining our earlier result...

Complete List of Authors: Galli, Giulia; Kingston University, Department of Psychology Santarnecchi, Emiliano; Harvard University, Berenson-Allen Center for Non-Invasive Brain Stimulation Feurra, Matteo; National Research University Higher School of Economics, School of Psychology Bonifazi, Marco; Azienda Ospedaliera Universitaria Senese, Neurologia e Neurofisiologia Clinica Rossi, Simone; Azie...

A real aether model of the vacuum proposed by Allen Rothwarf(1) based upon a degenerate Fermion fluid, composed of polarizable particle-antiparticle pairs, leads to a big bang model of the universe where the velocity of light varies inversely with the square root of the cosmological time. Here this model is used to determine the time dependence of certain fundamental constants, i.e., permittivi...