Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Kelvin’s idea was inspired by the work of Hermann Helmholtz, ...

It really is amazing what nature and man can do when they work together. Portugal’s Covão do Conchos dam funnels water into an amazing ground-level waterfall during flood season. The mesmerizing ...

Parts of the United States are experiencing historic winter weather, with the polar vortex pulling Arctic winds into eastern parts of the country. This phenomenon is being tracked and illustrated by ...

THROUGH the laws of vortex motion have been extensively examined by the ablest mathematicians, comparatively few experiments appear to have been made to study the nature of these motions in air and ...

An international team of researchers has solved a puzzling phenomenon whereby strangely beautiful, vortex-like structures appear between materials deposited onto engineering components used in ...