Stem cell therapies offer the potential to treat diseases or conditions for which few treatments exist.

Stem cells, sometimes called the body’s “master cells,” are the precursor cells that develop into blood, brain, bones and all of your organs. Their promise in medical treatments is that they have the potential to repair, restore, replace and regenerate cells that could then be used to treat many medical conditions and diseases.

Joel A. Mercado Díaz and his colleagues combined genetic and morphological techniques to identify two genera and twelve new species of lickens at El Yunque National Forest.

This article is available in Spanish.

Dr. Ángel Torres Valcárcel and other climatologists studied rain patterns over the last 100 years.

This story is available in Spanish.

Two recent issues of “Physics Today”, a physics journal published by the American Institute of Physics, highlights the work of three local scientists, Drs. Daniel Altschuler, Sixto González and Víctor Blanco.

The text is available in Spanish.

Archaeological starch grains consistent with those produced and stored in modern cojoba (Anadenanthera peregrina) seeds were identified, for the first time in the West Indies, in a coral milling base recovered in a small precolonial habitation site of Eastern Puerto Rico, in a context dated to A.D. 115–1250. Ethnohistoric, ethnographic, and previous archaeological data on cojoba from the West Indies and South America were surveyed in order to form plausible sociocultural interpretations of the findings.