Scientists engineer a cyborg jellyfish from rat cells and silicone

In this video, released yesterday, you can watch what might be called the world's first cyborg lifeform. Called a medusoid, it's a completely engineered jellyfish that blends living and non-living parts — specifically, the creature is a thin layer of rat heart muscle cells grown on top of a layer of elastic silicone.… » 7/23/12 7:00am 7/23/12 7:00am