Defects in working memory -- the brain's temporary storage bin -- may explain why one child cannot read her history book and another gets lost in algebra, new research suggests. As many as 10% of school age children may suffer from poor working memory, British researchers said in a report last week.
Countries that take the lead in directing domestic efforts against HIV and Aids seem to have the greatest success. ''We get the best results in countries where the host government assumes the leadership for the response,'' said Dr Tom Kenyon, chief deputy coordinator of the United States President's Emergency Plan for Aids Relief.