This paper introduces the Focused Stochastic Diffusion Network as a novel method of self-localisation for an autonomous wheelchair in a busy, complex environment. The space of possible positions is explored in parallel by a set of cells searching in a competitive co-operative manner for the most likely position of the wheelchair in its environment. Trials of the SENARIO autonomous wheelchair pr...

Chromatophoromas are tumours of pigment-producing cells of the skin and are rarely reported in reptiles. These tumours are subclassified on the basis of the type of pigment. The present study characterizes chromatophoromas arising in 26 reptiles, including six snakes, 19 lizards and a tortoise. These include the first reports of melanophoromas in a yellow anaconda (Eunectes notaeus), pigmy ratt...

The article presents a critical analysis of two novels by contemporary Arab Muslim women writers, Leila Aboulela and Mohja Kahf. examines how these authors critique, resist, disrupt the hegemonic discourse that as monolithic homogeneous category. In Translator Girl in Tangerine Scarf respectively, female protagonists’ religious experiences identities are studied with reference to resistance nar...

OBJECTIVE Few data exist looking at vitamin D status and bone health in school-aged boys and girls from Saudi Arabia. The present study aimed to determine the extent of poor vitamin D status in school boys and girls aged 6-18 years and to examine if there was any difference in status with age, physical activity and veiling and concomitant effects on bone. DESIGN Cross-sectional study. SETTI...

—Eggs from five clutches of Chamaeleo calyptratus were incubated at 25, 28, and 308C during the period of sex determination. Sex ratios were slightly biased toward females at all temperatures but did not differ statistically from the expected 1:1 ratio of males and females. Egg survival was sufficiently high that sexbiased temperature-induced mortality cannot account for the lack of departure f...