We look at the growing fears that decades-long tensions between Israeli's and Palestinians over Jerusalem could soon erupt into another war, and what life is like for citizens caught in the deadly conflict. Plus, why some UK researchers say mixing two-dose shots of COVID-19 vaccines is safe, as scientists say Canada needs to focus on improving ventilation systems to stop transmission of COVID-19. Finally, the Earthbound NASA spacecraft packing a historic haul on a long trip home.