7/29/2005:

Intermediate Word:  astrakhan -  (a) a kha khan (high khan)  (b) Mongolian shaman  (c) leather yurt  (d) lamb's fur 
Difficult Word: - hypogeum  (a) pedestal of a column  (b) ancient basement  (c) understatement  (d) hypocorism

health stock image Nerve damage repair agent hope  - BBC  Scientists say they have discovered a protein that could be injected to repair damaged nerves and brain cells.By blocking this substance, called glutamate, KDI prevents permanent cell death and helps the body heal itself. The findings have been promising and they hope to be able to begin treating people with nerve and degenerative brain diseases, such as Alzheimer's and Parkinson's disease, using KDI injections within a year. Since KDI occurs naturally in some form in the body, researchers do not believe it will have major toxic side effects. None have been noted during their work to date.     
Artist's impression of the giant impact Planet's impact forms dust disc  - BBC  An unusually thick ring of dust around another star could hold clues about planet formation, say astronomers. The dustiest disc ever seen around a nearby star is probably the result of a collision between two small planets less than 1,000 years ago, they say. Writing in the journal Nature, the researchers believe the collision may have been similar to the impact on the primitive Earth that formed our Moon. Because the star is estimated to be about 300 million years old, any large planets that might orbit BD +20 307 must have already formed. The collisions could not have occurred more than about 1,000 years ago.  

One-Atom-Thick Materials Promise A 'New Industrial Revolution' - Science Daily  Scientists at The University of Manchester have discovered a new class of materials which have previously only existed in science fiction films and books. A team of British and Russian scientists led by Professor Geim have discovered a whole family of previously unknown materials, which are one atom thick and exhibit properties which scientists had never thought possible. Not only are they ultra-thin, but depending on circumstances they can also be ultra-strong, highly-insulating or highly-conductive, offering a wide range of unique properties for space-age engineers and designers to choose from. "This discovery opens up practically infinite possibilities for applications which people have never even thought of yet. These materials are lightweight, strong and flexible, and there is a huge choice of them."   




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