Statistical Inference Community Detectability Detectability Thresholds and Optimal Algorithms for Community Structure in Dynamic Networks Model Selection and Link Prediction in Networks Network Community Structure Evaluating Overfit and Underfit in Models of Network Community Structure Link Prediction Stacking Stacking Models for Nearly Optimal Link Prediction in Complex Networks Data Science for Social Good The Enmity Paradox A person’s enemies have more enemies, on average, than a person does. AI Auditing Examining the consumption of radical contenton YouTube AI Auditing Causally estimating the effect of YouTube's recommender system using counterfactual bots