http://www.slate.com/blogs/blogs/humannature/archive/2009/04/07/poverty-biology-and-intelligence.aspxWhy do poor kids have more trouble in school? Is it due to environment or biology? The answer, according to a new study, may be both. We tend to think of biological explanations as an alternative to environmental explanations. The clearest example ofenCommunityServer 2.1 SP2 (Build: 61129.2)