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Playing mobile games is popular among a large and diverse set of players, contrasting sharply with the limited set of companies and people who design them. We would like to democratise mobile game design by enabling players to design games on the same devices they play them on, without needing to program. Our concept of fluidic games aims to realise this vision by drawing on three design methodologies. The interaction style of fluidic games is that of casual creators; their end-user design philosophy is adapted from metadesign; and their technical implementation is based on parametric design. In this short article, we discuss how we've adapted these three methods to mobile game design, and some open questions that remain in order to empower end user game design on mobile phones in a way that rises beyond the level of typical user-generated content.

Previously we observed strong positive associations between circulating concentrations of free testosterone and free dihydrotestosterone (DHT) in relation to Barrett's esophagus in a US male military population. To replicate these findings, we conducted a second study of sex steroid hormones and Barrett's esophagus in the Factors Influencing the Barrett/Adenocarcinoma Relationship (FINBAR) Study based in Northern Ireland and Ireland. We used mass spectrometry to quantitate EDTA plasma concentrations of nine sex steroid hormones and ELISA to quantitate sex hormone binding globulin in 177 male Barrett's esophagus cases and 185 male general population controls within the FINBAR Study. Free testosterone, free DHT, and free estradiol were estimated using standard formulas. Multivariable logistic regression estimated odds ratios (OR) and 95% confidence intervals (95%CI) of associations between exposures and Barrett's esophagus. While plasma hormone and sex hormone binding globulin concentrations were not associated with all cases of Barrett's esophagus, we did observe positive associations with estrogens in younger men (e.g., estrone + estradiol ORcontinuous per ½ IQR=2.92, 95%CI:1.08, 7.89), and free androgens in men with higher waist-to-hip ratios (e.g., free testosterone ORcontinuous per ½ IQR=2.71, 95%CI:1.06, 6.92). Stratification by body mass index, antireflux medications, and geographic location did not materially affect the results. This study found evidence for associations between circulating sex steroid hormones and Barrett's esophagus in younger men and men with higher waist-to-hip ratios. Further studies are necessary to elucidate whether sex steroid hormones are consistently associated with esophageal adenocarcinogenesis.

"Saudi Arabian Wahhabism is the ultra-puritanical form of Sunni Islam which has been adopted by Islamist radicals, Salafists, and jihadists to legitimize and spread their extremist agenda. The scholarly articles in these two volumes throw fresh light on this messianic radicalism by tracing its origins in the 18th century up to its present role as the authoritative interpretation of Islam in the strategically vital Kingdom of Saudi Arabia." (Publisher's description)

Involved in educating social work professionals? Overwhelmed and demoralised by the current climate of cuts to services and over-regulation? This unique book written by practice educators, students and academics offers hope. This collection of innovative approaches to social work placements addresses subjects including sustainability, student-led services, overseas placements, the value of the third-sector, supporting students from minority groups and the visual arts. The international and diverse contributions offer practical guidance and challenge conventional approaches to placement finding, teaching and assessment in field education. Written from a global social work perspective this is essential reading for anyone responsible for ensuring quality placements for future professionals