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"We've got damselflies and dragonflies, little water boatmen, whirligig beetles, water scorpions and because of all of them, we get all the birds that feed off them," he says.

Now, two teams have independently uncovered key details of how the most agile species—ripple bugs—and the fastest one—whirligigs—strut their stuff even on choppy turbulent water.

Using two high-speed cameras synchronized at different angles, the researchers were able to film a whirligig and observe a lift-based thrust mechanism at play.

He translates the inner pressure of Danny’s mental state into whirligig movements that are mesmerizing to watch.

Sand was more than a great writer; she was a central figure in the Romantic whirligig that also included Liszt, Chopin and Delacroix.