Structures of Massive Multiplayer Online Communities

submitted by: awman

Communities, such as guilds and groups, in massive multiplayer online worlds have been structured differently from one world to another. This research is to investigate the causes of the different community structures in online worlds and, specifically, how the design of the synthetic worlds shape the way players manage their communities.

MacArthur Fellow 2008: Wafaa El-Sadr, physician

submitted by: video_collector
Wafaa El-Sadr is an Infectious Disease Physician introducing multi-pronged treatment strategies for some of the most pressing pandemics of our time – HIV/AIDS and TB – diseases that often afflict people with the least access to quality health care. MacArthur Fellowships offer the opportunity for Fellows to accelerate their current activities or take their work in new directions. The unusual level of independence afforded to Fellows underscores the spirit of freedom intrinsic...

MacArthur Fellow 2008: Sally Temple, neuroscientist

submitted by: video_collector
Sally Temple is a neuroscientist tracing the natural interactions of differentiating neurons, bringing us closer to developing effective methods for treating central nervous system damage. MacArthur Fellowships offer the opportunity for Fellows to accelerate their current activities or take their work in new directions. The unusual level of independence afforded to Fellows underscores the spirit of freedom intrinsic to creative endeavors. The extraordinary creativity of MacArthur...

MacArthur Fellow 2008: Peter Pronovost, physician

submitted by: video_collector
Peter Pronovost is a critical care physician devising life-saving, clinical practices to improve patient safety in hospitals and spare countless lives from deadly consequences of human error. MacArthur Fellowships offer the opportunity for Fellows to accelerate their current activities or take their work in new directions. The unusual level of independence afforded to Fellows underscores the spirit of freedom intrinsic to creative endeavors. The extraordinary creativity of MacArthur...

MacArthur Fellow 2008: Diane Meier, geriatrician

submitted by: video_collector
Diane Meier is a geriatrician transforming treatment for the seriously ill into more humane and effective care. MacArthur Fellowships offer the opportunity for Fellows to accelerate their current activities or take their work in new directions. The unusual level of independence afforded to Fellows underscores the spirit of freedom intrinsic to creative endeavors. The extraordinary creativity of MacArthur Fellows knows neither boundaries nor the constraints of age, place, and endeavor.

The Ingredients for Life - On Earth & in Space

submitted by: cristina
We are all space travellers flying around the Sun at 107,000 km per hour. Our spaceship is the Earth and our bodies have evolved to live on this amazing craft. We now have the capability of leaving planet Earth. However, if man is to live in space and travel to other planets, we must learn how to survive for long periods of time out there; we have to recreate in space the vital ingredients for life on Earth. Future space vehicles and space habitats will need advanced life support...