Science News Roundup: Branson, Bezos and Musk – three space tourism pioneers; Benefits of mRNA COVID vaccines outweigh rare heart risks, says WHO and more
Following is a summary of current science news briefs.
Three billionaire entrepreneurs – Richard Branson, Jeff Bezos and Elon Musk – are competing to usher in a new era of commercial space tourism. Here is how their rival ventures compare in the race to open the final frontier to wealthy, would-be citizen astronauts.
Decades after burnishing his reputation as a wealthy daredevil mogul in a series of boating and hot-air balloon expeditions, Richard Branson is poised to promote his burgeoning astro-tourism venture by launching himself to the final frontier. Branson’s Virgin Galactic Holding Inc is due on Sunday to send the company’s passenger rocket plane, the VSS Unity, on its first fully crewed test flight to the edge of space,…