First patients vaccinated in clinical trial of HIV vaccine that uses Moderna's mRNA technology

[NASA Webb Telescope] NASAWebb’s instruments all have “power-ups!” They have all been powered-on and are going through check-outs. Next steps have them cooling to final operating temperatures and getting ready to see starlight. unfoldtheuniverse Read more: go.nasa.gov/3AOdRRd

Number of Earth's tree species estimated to be 14% higher than currently known, with some 9,200 species yet to be discovered

How Many COVID Vaccine Boosters Will We Need?