Additional sections cover Assessing microbiota composition in the context of aging, Assessing chronological aging in Saccharomyces cerevisiae, Image processing and supervised machine learning for retinal microglia characterization in senescence, Measuring telomerase activity using TRAP assays, High throughput assessment of cellular senescence, Detection of radiation-induced senescence by the Debacq-Chainiaux protocol: Improvements and upgrade in the detection of positive events, Dynamic and scalable assessment of the senescence-associated secretory phenotype (SASP), Flow cytometry-assisted quantification of cell cycle arrest in cancer cells treated with CDK4/6 inhibitors, and more.