― The scientists succeeded in making artificial jellies made from rat heart cells and silicone polymers. Like natural biological pump, the artificial jellyfish which dubbed Medusoid to throb like the human heart and could swim resemble the original jellyfish. ∙ "It's a good model for studying the physiology of the human heart," says Kevin Kit Parker, a biological engineering researcher at Harvard University. ∙ Medusoid, artificial jellyfish. ∙ (Picture from: [...].