Elsevier's new ‘sponsored access’ option

Benefits and dangers of university-sponsored open-access systems.

Open Access and an Additional Publishing Option

When a well-established journal such as Medical History has a change in ownership and editorial office, the attendant arrangements require time. I am delighted to report that the shifts have occurred thanks to the Wellcome Trust's support and Cambridge University Press's boundless energy. The editorial office has now dealt with backlogs of articles created by the shift, thanks mainly to enthusi...

New option in photoprotection.

All the people are exposed to solar ultraviolet radiation. Exposure to sun with living in an oxygen-rich atmosphere causes unwanted photodemage. Sunburned skin is a leading risk factor for melanoma and non-melanoma cancers. UV exposure causes immunosuppression via multiple mechanisms in the skin. In this review the main topic is to mention new or alternative ways of photoprotection. Sunscreens ...

A New Stock Model for Option Pricing in Uncertain Environment

The option-pricing problem is always an important part in modern finance. Assuming that the stock diffusion is a constant, some literature has introduced many stock models and given corresponding option pricing formulas within the framework of the uncertainty theory. In this paper, we propose a new stock model with uncertain stock diffusion for uncertain markets. Some option pricing formulas on...

A New Option: Osmotic Distillaton

tion process in which a liquid mixture containing a volatile component is contacted with a microporous, non-liquid-wettable membrane whose opposite surface is exposed to a second liquid phase capable of absorbing that component — is nearing commercialization for the concentration of beverages and other liquid foodstuffs, and is under evaluation for the concentration of aqueous solutions of ther...