Writhing Black & White DNA

DNA molecule writhes and thrashes like a pair of sea snakes. The high-contrast animation dissolves into abstract swimming forms and dots. The sugar-phosphate backbones look slippery and wet, like something wild and venomous trapped in a tight aquarium. Or slithering under the sea. Watch it in screen-filling 4K or buy a licence.

Compare with the flatter and more classical look of this one: