anna blackney is one of the most influential, determined to pucks that trust problem a tiktok at a timehaving a connection with a single person who is there and personable and you can show them what you do in the lab, it helps to alleviate their fears. >> reporter: one up lifting thing to come out of the research from the london school of hygiene is that people were more inclined to say yes they would take the vaccine if it was presented as something that would protect their family and friends instead of something that would just protect them themselves. >> elizabeth palmer in london, thank you. nasa is one step closer to sending astronauts back to the moon and beyond. 18 have been selected to prepare, and one will be the first female to walk on the lunar surface. >> jessica watkins. >> make way, apollo era, in 2020, this is what the right stuff looks like. >> the artemis generation. >> nasa's 18artemis astronauts range in age from 32-55. half of them have never been to space. half are women. and nasa intends for one of them to be in space first. >> i will either walk on the moon, or on