Nels and Vincent discuss the identification of novel bat coronaviruses that shed light on the evolution of SARS-CoV-2, dating the first cases of COVID-19 to mid-November 2019, and recovery of deleted genome sequences from early in the Wuhan outbreak.
Mia joins Nels and Vincent to unravel their finding that the transposons that maintain the ends of chromosomes in Drosophila have evolved in conflict with the genome.
Nels and Vincent present ancient hepatitis B virus genome sequences from Bronze Age to Medieval period human remains.