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There is little disagreement that the body's maintenance and repair systems deteriorate with age, even as there is plenty of disagreement as to why. Stem cells combat the aging process by replenishing old or damaged cells--particularly in the skin, gut, and blood--with a fresh supply to maintain and repair tissue. Unfortunately, new evidence suggests that this regenerative capacity also declines with age as stem cells acquire functional defects. In highly purified hematopoietic stem cells from mice aged 2 to 21 months, gene expression analysis indicates a deficit in function, yet an increase in stem cell number with advancing age.
http://www.sciencedaily.com/releases/2007/07/070724114053.htm

Jabrwock writes "Presidential hopeful and Democrat John Edwards is the first candidate in the '08 race to have a virtual campaign office in the MMO Second Life. Now he is also the first candidate to have an online office vandalised with pictures of him in blackface, a feces-spewing obscenity, and posters of communism. The virtual office was apparently overrun by SL players wearing Bush '08 tags, who harassed visitors with verbal abuse of Edwards in particular, and Democrats in general."

An anonymous reader writes "I have been living close to campus at UW Madison for the past six months or so and have come across a problem. We, along with everyone else in the area, have a wireless router, both a belkin 54g and a linksys wrt54g. We have charter 3 mbit down .25 mbit up cable and 6 guys in our apartment. Just on our block about 15-20 people have routers, and when I look at available networks there is around that many. We are constantly plagued with problems connecting to the wireless, staying connected, getting connected after rebooting, hibernating, etc. We have to reset either or both the cable modem and router many times a day to get everything rolling again. I am thinking that the router is the problem, because my dad always told me that's why they have twenty dollar routers up to thirty thousand dollar routers. My question to slashdot is...what router can I purchase that will help my situation and work well in a congested college area that is already filled with wireless networks, and will still be good for use with 6-8 laptops, some land connections, two xbox 360's, and a ps3. Thanks in advance!"

An anonymous reader writes "I am the single member of the IT department at a small nonprofit. We were looking to replace our commercial content management system with a custom combination of open source solutions (Lucene, Jackrabbit, etc.) However, since I was the sole developer, progress was slow and we have little resources to recruit potential volunteers.

Recently, we had a closed source, commercial vendor demo their version of a content management system, and immediately upper management was willing to go along with their proposal, even at the expense of project requirements.

Although I understand and accept the decision (and am quite relieved I am not expected to deliver as the sole developer), I am interested to know if there are resources for promoting open source software in a manner like closed source, commercial software. If not, is this a challenge within the OS community? It seems that OS solutions are primarily promoted to technical implementors rather than upper management. Of course, many technical implementors do not have the marketing skills to promote open source, but are there resources to help us do so?"

http://forumpolitics.com/forum/viewtopic.php?t=457

watomb writes ""BEIJING: An obese 26-year-old man in northeastern China died after a "marathon" online gaming session over the Lunar New Year holiday, state media said on Wednesday.

The 150-kg man from Jinzhou, in Liaoning province, collapsed on Saturday, the last day of the holiday, after spending "almost all" of the seven-day break playing online games, the China Daily said, citing his parents."
http://www.ciol.com/content/search/showarticle1.as p?artid=94845"