Updated: 5/16/2006; 2:25:05 PM.

Current events
Post-9-11 events and analyses


daily link  Tuesday, May 04, 2004


US diplomats' letter to Bush: 60 former US diplomats (several ambassadors) wrote:  "You have placed US diplomats, civilians and military doing their jobs overseas in an untenable and even dangerous position. Your unqualified support of Sharon's extra-judicial assassinations, Israel's Berlin Wall-like barrier, its harsh military measures in occupied territories, and now your endorsement of Sharon's unilateral plan are costing our country its credibility, prestige and friends"  10:40:24 PM  permalink  

Grow-your-own to replace false teeth: From the too-good-to-be-true department:  "Instead of false teeth, a small ball of cells capable of growing into a new tooth will be implanted where the missing one used to be.  The procedure needs only a local anaesthetic and the new tooth should be fully formed within a few months of the cells being implanted.

Paul Sharpe, a specialist in the field of regenerative dentistry at the Dental Institute of King's College, London, says the new procedure .. is fairly simple. Doctors take stem cells from the patient. These are unique in their ability to form any of the tissues that make up the body. By carefully nurturing the stem cells in a laboratory, scientists can nudge the cells down a path that will make them grow into a tooth. After a couple of weeks, the ball of cells, known as a bud, is ready to be implanted. Tests reveal what type of tooth - for example, a molar or an incisor - the bud will form.

Using a local anaesthetic, the tooth bud is inserted through a small incision into the gum. Within months, the cells will have matured into a fully-formed tooth, fused to the jawbone. As the tooth grows, it releases chemicals that encourage nerves and blood vessels to link up with it.

Tests have shown the technique to work in mice, where new teeth took weeks to grow. "There's no reason why it shouldn't work in humans, the principles are the same," said Prof Sharpe."

  12:11:20 AM  permalink  

 
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Copyright 2006 © Ken Novak.
Last update: 5/16/2006; 2:25:05 PM.