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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.
Jamie Bartlett spoke about radical groups and future trends. Bruce Maccabee analyzed a historic UFO sighting. Cheryl Costa discussed UFO data.