hartProfessor Ron Hart awarded NIH Research Challenge Grant Prof. Hart, in collaboration with Prof. Manolis Kellis of CSAIL and the Broad Institute of MIT, was recently awarded a $1M Research Challenge Grant to study the role of small RNAs in regulating epigenetic marks on chromatin. The NIH Research Challenge grant program used ARRA funds to make only about 200 awards having high impact in biomedical or behavioral science and/or public health. Prof. Hart's award was one of a small number of projects using human embryonic stem cells under the new NIH guidelines.