Sometimes fish, sometimes fowl? Liminality, identity work and identity malleability in graduate teaching assistants

Motion Models that Only Work Sometimes

It is too often that tracking algorithms lose track of interest points in image sequences. This persistent problem is difficult because the pixels around an interest point change in appearance or move in unpredictable ways. In this paper we explore how classifying videos into categories of camera motion improves the tracking of interest points, by selecting the right specialist motion model for...

“Sometimes I feel like a pharmacist”: identity and medication use among adolescents with juvenile arthritis

BACKGROUND Taking medicines as intended is difficult for everybody, but young people going through adolescence have greater problems than adults and younger children. One of the most important things that happen during the teenage years is the development of individual identities, which might not remain constant during this time and can be affected deeply by the diagnosis of a long-term conditi...

Infectious Agents and Autophagy: Sometimes You Win, Sometimes You Lose

How Antiparasitic Drugs Work-And Sometimes Stop Working!

Work, identity and health

Personal introduction Having free-lanced as a public health physician for over a decade, with the inevitable variation in both the avaiIability and type of work, 'retirement' is, perhaps, a vaguer concept than for those with conventional full time jobs. In my middle sixties, I was drifting towards retirement, thinking that I should soon refuse any new work, when an incident occurred quite uncon...