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Manta rays are elegantly shaped. They swim by flapping their fins like enormous wings, and their gills filter for plankton with the utmost precision. These creatures have now inspired human ...

It was just two years ago that a tiny robotic manta ray became the world's fastest-swimming soft-bodied robot. Well, one of its descendants has now smashed that record – and it uses less energy than ...

Imagineering’s new six-foot aquatic robot uses hydrofoil tech to leap and dive through the water like a real sea creature. A fleet of robot dolphins may follow. Here’s the first look at Disney’s plan ...