Scientists have developed a technique that can guide a body's stem cells to regenerate teeth, according to an article in the May issue of Journal of Dental Research. The results of an animal-model study conducted in the Tissue Engineering and Regenerative Medicine Laboratory Columbia University Medical Center in New York City has shown that by guiding stem cells to a scaffold made of natural materials and integrated in surrounding tissue, practitioners do not need to use harvested stem cell lines or create an environment outside of the body (for example, in a petri dish) to grow the tooth and then implant...

31.05.2019
3236

Too Much Academic Research Is Being Published  Philip G. Altbach and Hans de Wit Philip G. Altbach is research professor and founding director, and Hans de Wit is professor and director, Center for International Higher Education, Boston College, US. E-mails: altbach@bc.edu and dewitj@bc.edu. There is a crisis in academic publishing and in the global knowledge distribution system generally—there is too much pressure on top journals, there are too many books and articles of marginal quality, predatory journals are on the rise, and there is a tremendous pressure on academics worldwide to publish. The decision by The Review of Higher Education, a highly...

05.04.2019
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