Content analysis, inhibitors of Ebola and Lassa fever, new PCR techniques, optical sensor, and more.

Harvard researchers have developed a new, more precise way to control the differentiation of stem cells into bone cells.

With subtypes now defined, future studies could reveal previously unknown contributions of the serotonergic neuronal system to disease, inform the development of biomarkers, or lead to more targeted therapies.

The Harvard spin-off, based on research by Prof. Joanna Aizenberg, develops "slippery surfaces to overcome sticky problems."