Add Yahoo as a preferred source to see more of our stories on Google. A team of researchers discovered an extraordinary property of vortex rings—how dolphins propel themselves underwater—that science ...

The science experimenters at TKOR design a handheld air vortex device capable of shooting visible smoke rings with force.

A team of researchers discovered an extraordinary property of vortex rings—how dolphins propel themselves underwater—that science had overlooked for a century. Scientists from New York University and ...