Researchers at Caltech and Harvard have created an artificial jellyfish using a silicone base and rat heart cells. Dubbed a "Medusoid," the synthetic creature swims in water in a similar fashion to a real jellyfish. More at BBC News and LiveScience.
Retired NASA astronaut Ron Garan is also a highly decorated fighter pilot as well as an explorer, entrepreneur, and humanitarian who believes that appropriately designed and targeted social enterprise can solve many of the problems facing our world. In the first half, he discussed his transformative experiences working aboard the International Space Station.
In the latter half, medical sociologist Robert E. Bartholomew, PhD shared his latest work uncovering the little-known scientific evidence underlying supposed hauntings, immortalized in familiar Hollywood films including The Exorcist, Poltergeist and The Conjuring.