We describe a computer tutor designed to help students understand physics concepts. The tutor uses a teaching strategy called "bridging analogies" that previous research has demonstrated to be successful in one-on-one tutoring. The strategy is designed to remedy misconceptions by appealing to existing correct intuitions, and extending these intuitions by encouraging analogical thinking. Student...

Objectives: The aim of the course is to introduce students to the field of intuitive mathematics. In particular, students will learn about natural mathematical skills, primarily in humans, and the evidence that illuminates them. Students will also be introduced to the idea that our mathematical ability is part of our universal human nature, and a product of evolution by natural selection. Stude...

Improvements in diet diversification and quality can be facilitated by greater cooperation between the agricultural and the nutrition communities, according to an expert panel that met in early 2002. Encouraged to think innovatively, the panelists agreed that modern technology offers the potential to increase the amount and nutritional content of the food supply in developing countries, especia...

In the 1960s, discovery of pleasure system (defined as reward system) in the brain that may underlie drug reward and addiction encouraged many scientists to investigate the mechanisms by which drug abuse affects central nervous system function. In this regard, investigators developed several drugs targeting the brain reward system for drug dependence therapy. However, no positive results obtain...