21K views · 262 reactions | Kelvin Lee, MD, Chair of Immunology at Roswell Park and a member of the New York State COVID-19 Clinical Advisory Task Force, discusses the differences and similarities between the Pfizer and Moderna COVID-19 vaccines. Learn more here: www.roswellpark.org/coronavirus/vaccine | Roswell Park Comprehensive Cancer Center | Facebook

140K views · 1.6K reactions | Moderna's COVID-19 vaccine is the third to be approved in Australia. As an mRNA vaccine, it’s remarkably similar to Pfizer's version. But the two vaccines have some key differences. Jeremy Fernandez explains. Watch more videos explaining the news on ABC iview: https://iview.abc.net.au/collection/2551 | ABC News | Facebook

462K views · 5.4K reactions | A look back at the double booster landing from the Falcon Heavy/GOES U mission. Video by Dennis Hlavsa @dhlavsa with SpaceX FrontPage | Space FrontPage | Facebook