Wings and fins bend…in the same way

1024px-Southern_right_whale_caudal_fin-2_no_skyWhat do a bat, a jellyfish and a humpback whale have in common? For one thing, these animals use their natural propulsors, such as wings, bells and flukes, to move through their environment, be it air or water. Last week a group of researchers published a study in Nature Communications that indicates that these and many other animals from distantly related groups seem to have attended the same school of propulsion. And one of the subjects they studied there was all about being flexible.

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