This week in Neo4j highlights various community activities, including the launch of Hetionet, a network of biology, disease, and pharmacology, created by Daniel Himmelstein. The Neo4j life sciences and healthcare workshop in Berlin brought together researchers to share their experiences with graph databases. The community also shared analysis of Neo4j tweets, participated in the IEEE Graph Challenge, and showcased projects like Pheno4J, a gene-to-phenotype graph database. Additionally, there are upcoming meetups and events, including presentations on Neo4j at various meetups and online events.