Psychology :: The 5 dimensions of online gifts

Every day, more and more people join online communities, such as MySpace, FaceBook, and Second Life, and use file sharing systems like BitTorrent. In these virtual spaces they can reinvent themselves, make new friends, and share information and resources with others. Understanding how people give and receive digital gifts online is key to understanding the successes and failures of these communities.

Stem Cell :: Cancer stem cells can go it alone

At the heart of most, if not all cancers, lie a handful of wayward stem cells that feed the ever growing tumor mass, but their scarcity make it difficult for scientists to study them. Now, times of plenty may lie ahead as a breast cancer cell line — established long ago — turned out to behave a lot like cancer stem cells.

Lung :: Lung transplant patient recovering from surgery in Michigan, US

At the end of what University of Michigan Health System staff members have said is among the most tragic weeks in UMHS history, there was a glimmer of hope for the future. This morning, the patient who was unable to receive a double-lung transplant when the plane carrying his organs crashed into Lake Michigan is recovering in University Hospital after being transplanted with a second set of lungs. He could be back home in several weeks.

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