Welcome back to Season 4 of I Came For Science. In this episode, Laura interviews Dr. Meg Martin about her research on conservation breeding. Conservation breeding is a method of increasing the populations of endangered and threatened species by having them breed in captivity and then releasing the resulting offspring into the wild when they are old enough. Traditionally, breeding pairs were chosen to maximize the genetic diversity of the population. However, until relatively recently, the important role of mate choice was not considered. Dr. Martin's work has changed this approach to use the science of sex to improve reproductive outcomes.
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Cardiac Cowboys
The heart was always off-limits to surgeons. Cutting into it spelled instant death for the patient. That is, until a ragtag group of doctors scattered across the Midwest and Texas decided to throw out the rule book. Working in makeshift laboratories and home garages, using medical devices made from scavenged machine parts and beer tubes, these men and women invented the field of open heart surgery. Odds are, someone you know is alive because of them. So why has history left them behind? Presented by Chris Pine, CARDIAC COWBOYS tells the gripping true story behind the birth of heart surgery, and the young, Greatest Generation doctors who made it happen. For years, they competed and feuded, racing to be the first, the best, and the most prolific. Some appeared on the cover of Time Magazine, operated on kings and advised presidents. Others ended up disgraced, penniless, and convicted of felonies. Together, they ignited a revolution in medicine, and changed the world.