Adolescents and young adults who gamble are more likely to have substance use disorders and psychiatric problems, according to an article in the November, 2004 issue of The Archives of General Psychiatry.

Miniature tools, barely visible to the naked eye, are solving pattern-carving problems in glass, ceramics, and other brittle materials, a group of researchers reported in the upcoming December issue of the Journal for Micromechanics and Microengineering.

United Nations University in Venezuela displayed new biotechnology techniques to protect cultural heritage this week at their international symposium. Books, photos, paintings, sculptures, and other artistic treasures are threatened by the harsh tropical environment. However, the specialized program United Nations University Program for Biotechnology in Latin American and the Caribbean (UNU-BIOLAC), directed by José Luis Ramirez, is trying to remedy that. Ramirez’s team uses biotechnology to identify specific organic materials, such as paper and wood, used in art and historical records to devise more effective ways of protecting them.

Our understanding of what is emotionally "good" or "bad" may be generated by dopamine transmitters in the brain, according to a study published in the November issue of Science. A team of researchers from the University of Colorado at Boulder found that dopamine concentration is linked to decision-making ability.