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The Immune System Has Protective Memory Cells, Researchers Discover UCSF News Office Sun, 27 Nov 2011 11:35 AM PST The immune system possesses a type of cell that can be activated by tissues within the body to remind the immune system not to attack our own molecules, cells and organs, UCSF researchers have discovered. Stars lose goalie Lehtonen to injury CBC.ca Sun, 27 Nov 2011 11:09 AM PST Dallas Stars goalie Kari Lehtonen was placed on injured reserve Sunday with a lower-body injury suffered early in Saturday's 3-0 loss against the Phoenix Coyotes.

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