Here's a jellyfish video with a twist ending … actually, make that 40 or 50 twists. In a new, 1-minute clip taken by a snorkeler off the coast of Spain, a wee jellyfish ventures too close to an ...

Bubble ring created by a humpback whale named Thorn. Credit: © Dan Knaub, The Whale Video Company. June 5, 2025, Mountain View, CA -- A team of scientists from the ...

Smoke rings are being seen in a new light. Doughnut-shaped structures called vortex rings are sometimes seen swirling through fluids. Smokers can form them with their mouths, volcanoes can spit them ...

You probably have seen smoke rings blown by cigarette smokers or bubble rings from playful dolphins. But do you know that they are closely related to each other and officially known as the vortex ring ...