State of the Science is a town hall scientific discussion on select topics in Type 1 diabetes research. State of the Science is a new way of talking about research in the field of T1D. This series will be a celebration of the power of debate and discussion that women scientists in T1D research bring to the table. The first discussion in the series focuses on : Is T1D ONE disease or endotypal? Variability of T1D phenotype: What's the evidence?