the poll caught the attention of a biologyist at yale's school of medicine she is launching a study on people with long covid, comparing responses before and after they get the vaccine to understand if it really helps. one theory is that pieces of the virus may hide in the body. >> the vaccine triggers the body to clear the inflammation. >> and long covid is driven by a hyperactive auto immune response, and the vaccine may reduce the responses. >> there's no good therapy for long covid, and the people have really debilitating symptoms. so, there's a lot of excitement about this study. >> i was terrified of getting the vaccine and i was terrified to not get it. >> reporter: she suffered diz dizziness and exhaustion. >> i was in my life ving room dancing and my partner was like, i have not seen you dance in a year. i forgot what it felt like to wake up and feel good and excited for the day and not feel defeated before you get out of bed. >> reporter: it sounds like somebody switched a light on. yeahenroll a w i felt, like, hundred people in the study and see if the relief lasts and they

she is a marine biologyist, oceanographer and founder "mission blue, a nonprofit that helps bring awarenesshe oceanography and marine ecosystem research. randall, i still can't get this fact wrapped around my brain. she has spent over 7,000 hours under seas exploring, that is a little under 300 days, almost a year, and she has brought us so much rich research on marine biolife, ecosystem and, obviously, that has such an impact on how we see this world and the fact towards climate change. >> and it's not just how much time she spent under, but what she's doing there. 1979, she set the world record for the deepest untitherred dive, walking with nothing attached to her. think about that, not just as a feat and not just as a physical feat, but as a woman role model. and this is more than 40 years ago. she talked about when she got in the science, i mean, again, we're talking six, seven decades ago. and she said it seemed like a guy thing. she has been a real role model way ahead of her time in a role model generation. >> so cool. that is so cool. randall, second on our list is a baby in compari