Theoretical physicist and Astrobiologist Sara Imari Walker joins us to chat about two questions that keep us up at night. What is life and why is there life? Sara answers these along with a spirited discussion about assembly theory, free will, and what 'something' and 'nothing' look like in our universe. Watch now: https://www.youtube.com/watch?v=uvmYSxxlNn0&t=4421s Sara Imari Walker is an astrobiologist and theoretical physicist interested in the origin of life and discovering alien life on oth

Becky Walker is a nurse at Methodist Hospital. For the past 5 years, she has worked primarily with patients who are approaching the end of their lives. "I can't see myself doing anything else. This type of nursing is just my niche. The very things that I want at the end of my life, I want to provide [to my patients] and be an advocate for these people." | IU Health