Access

Commentary

Nature Immunology 9, 219–221 (1 March 2008) | doi:10.1038/ni0308-219

Immunological outreach through positive selection

Neil S Greenspan

It is commonly asserted that science education in the United States is less effective than is desirable for both civic and economic reasons. For example, a story from the Associated Press has indicated that the average science and math scores for American 15-year-old students are below the overall average for the 20 industrialized countries that participate in the Organization for Economic Cooperation and Development.