Heidi Tworek, a professor at the University of British Columbia and expert on public health communication, joins us to discuss President Biden's declaration that "the pandemic is over" and how leaders around the world are talking about Covid-19 as it enters its third year. We’ll also discuss the latest news in the life sciences, including the twilight of the SPAC boom, the coming evolution of genome editing, and the next big trial in Alzheimer’s disease.