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Friday, August 5, 2005 |
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In Today's Research News: Licensing to Kill 'Marauding immune cells called natural killer (NK) cells, which attack and kill invaders and spew inflammatory substances called cytokines, need to be "licensed" to properly carry out their work, researchers have found. Ironically, they said that their discovery of how these cells mature explains how they are trained not to attack the body's own tissues. 'Research published in the August 04, 2005, issue of Nature.'
For the full story, go to http://www.hhmi.org//news/yokoyama3.html . |
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Best sky in a while
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Comin' home after a walk out this evening...
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Deer in the greenhouse have eaten the limbs and half the leaves and figs from my little tree (as well as an entire melon plant). Who'd've thought they'd enter the greenhouse? But I can see little hoof prints in the dirt on this side of the divider. I imagine they'd have eaten the grape leaves too if they'd stepped over and kept going. I was keeping the doors open at both ends to keep it cool in there (there's no exhaust fan); guess I'll have to find a different strategy...
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