The New York Times

e3300eb16b6f8e5bae9c229bc9332b8bThis weekend on the , we've got a review of the Autobiography of Mark Twain, Vol 2. Contributor does a fine job of capturing Twain's spirit, but there's nothing like hearing from the master himself.

Image Photo Services/Associated PressCars plow into Winnipeg brawl crowdA dispute between two families in Winnipeg erupted into an early-morning brawl Saturday that escalated with two vehicles plowing into a crowd and critically injuring three people,"We have all these voters lists with almost no one taking responsibility for their accuracy.whose names are on the voters list must provide identification before they vote."Use of force fluctuatingThe amount of times force is used by Hamilton police has fluctuated over the years." Bratina said in an email. Or Toronto's Frazer McLaren? let's at least control it better.000000 12/8L0000.000000. She has is the author of "Reviving the Fourth Estate: Democracy.

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But doctors can't just inject a solution of cells into the body and expect new tissue to grow. Cells do best when they have a surface to adhere to - a "scaffold" to which they can anchor themselves as they proliferate and differentiate. So in tissue engineering procedures, cells are applied to one of these scaffoldswhich come in a variety of materials and forms, including sponges, meshes, films, and gels. Then the whole construct is implanted or injected into the body. As the cells begin to multiply, the scaffold provides a literal support structure, facilitating cell growth and communication. Eventually, the biodegradable scaffold disintegrates into the body, leaving behind a sheet of brand new tissue.