Using bioinformatic and molecular cytogenetic approaches, researchers retraced ancestral "diapsid" reptile genome patterns from extant bird and reptile genomes.
A multi-region analysis of colorectal cancers suggests samples from opposite sides of a tumor can help trace early, invasiveness-related tumor characteristics.
Independent research teams identified and sequenced hepatitis B strains going back thousands of years from samples in Europe, uncovering now-extinct lineages.
