Conversation with Gerald Holton, a science historian and physicist talking about letters from Albert Einstein to Gene Sharp recently found by Jamila Raqib. The letters are an important part of a conversation about the role of Einstein in thinking about science, ethics and activism.
Conversation with Dr. Joseph Bolen, Chief Scientific Officer, PureTech Health about a perspective for understanding chronic human diseases. http://www.puretechhealth.com/team/josephb.php
(Disclosure: I'm the chair of the board of PureTech Health.)