Marcus Ynalvez

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Mobile telephony has diffused more rapidly than any Indian technology in recent memory, yet systematic studies of its impact are rare, focusing on technological rather than social change. We employ network surveys of separate groups of Kerala residents in 2002 and again in 2007 to examine recent shifts in mobile usage patterns and social relationships.(More)
1 Acknowledgements This essay had its origin in mid-1999 at various research stations of the Kenya Agricultural Research Institute, but particularly Katumani, where scientists such as Clement Kamau were generous with time and stories. I am beholden to my collaborators who convinced me that (1) social relations can be different with the Internet and (2) this(More)
In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: Keywords: Core network Kenya Mobile phones Cell phones Technology adoption Sub-Saharan(More)
In this paper, we briefly discuss our current efforts to improve resear methods instruction at Texas A&M International University (TAMIU), an Hispanic-serving four-year university in South Texas, with particular focus on converting our one-course graduate resear methods course into a coherent two-course sequence. We also discuss our plans for further(More)
Lectins are carbohydrate-binding proteins with agglutination properties. There is a continuous interest in lectins due to their biological properties that can be exploited for medicinal and therapeutic purposes. The objective of this study was to isolate and characterize lectin activity in Texas Live Oak (Quercus fusiformis). More specifically, the study(More)
In May 2007, the month before the Heidelberg conference entitled " Geographies of Science, " there appeared two bits of news, little-read stories beneath the notice of the regular press, apart from a few local papers. The irrelevance of the articles owed partly to their subject matter—science and technology in Africa, which is rarely reported on to begin(More)