A group of researchers from University of Puerto Rico, including Karla Claudio, Dr. Jorge Duconge and Dr. Carmen Cadilla, advance the field of pharmacogenetics by researching how different genetic mutations help or hinder the metabolization of warfarin.

This article is available in Spanish.

Three articles in this issue address the role of vitamin and mineral supplements for preventing the occurrence or progression of chronic diseases. First, Fortmann and colleagues systematically reviewed trial evidence to update the U.S. Preventive Services Task Force recommendation on the efficacy of vitamin supplements for primary prevention in community-dwelling adults with no nutritional deficiencies.

The undisputed position of English as the “international language of science” has resulted in a push for its use in college science classrooms in non-English dominant contexts worldwide. This study uses classroom observation and interviews to examine the use of Spanish and English in college science classrooms at a land-grant university in Puerto Rico.

Frequently, science teachers ask their students to draw a scientist so that they can get a sense of what students think and imagine about scientists. Thousands and thousands of drawings show the same stereotypical characteristics: a male scientist, white, dressed in a lab coat, usually a chemist mixing liquids and generating explosions, and a person that does not have any physical limitations.