This travels into the brain along an optic nerve (there is one for each eye) to arrive at one of two small clusters of nerve cells called the lateral geniculate bodies.

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His conclusion is that the main difference is in the structure of the small columns of nerve cells that are packed together to form the cerebral cortex.

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That commute became a test of nerve and savvy for the small group of children from the neighborhood who would try to anticipate gang hot spots and avoid them for fear of attack.

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Moreover, the language areas in the brain of a dyslexic often contain nerve cells that are abnormally arranged and unusually small although it is still unclear whether this is a cause or consequence of the disorder.

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The new trial would join a small number of other therapies in human trials for ALS, including a nerve-protectant called TCH-346 in second-stage trials at the Swiss drug firm Novartis (nyse: NVS - news - people ).

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They believe that a small, unrepresentative protest group is trying to make big companies lose their nerve and withdraw from a scheme which allows people up to eight weeks' work experience without losing their benefits (in the past only two weeks was allowed).

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This nerve-racking wait-and-see approach was given a small breathing space this week.

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Two novel nerve-growth-promoting therapeutic drugs are already in human trials at small biotech firms, including one called Cethrin at Montreal's Bioaxone Therapeutic, which McKerracher cofounded in 2000.

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But Kosovo's few Serb leaders with the nerve to stay behind now seem likely to spurn the council, largely because western forces (plus a small number from Russia and the former Soviet Union) seem unable, so far, to stem a steady wave of revenge killings by Albanians.

ECONOMIST: Reinventing Kosovo is already proving hard