There is wide consensus among educators that participation in authentic research is valuable for undergraduate science students, and incorporating research into large-enrollment courses is one way to provide that opportunity to many students. There is substantial variation in the documented impacts, however, particularly between males and females.…

Pre/post concept assessment testing is becoming increasingly common in college courses. Instructors use different approaches to give assessments, but few studies have examined how administration differences affect results. Here, we ask if administering a posttest on the final exam differs from administering it on the last day of class with extra…

An international team that includes researchers from the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health (NIH), has discovered that mammalian chromosomes have evolved by breaking at specific sites rather than randomly as long thought--and that many of the breakage hot spots are also involved in human…