It’s a total steal. I’ve passed the turquoise swirl plates at Dollar Tree countless times, thinking, “Oh, those are cute,” and moving on. That all changed when I saw a side-by-side comparison video on ...

Most summers, jewel-toned hues appear in the Black Sea. The turquoise swirls are not the brushstrokes of a painting; they indicate the presence of phytoplankton, which trace the flow of water currents ...

Turquoise swirls in the Black Sea — caused by phytoplankton carried on local water currents — shine brightly in a new image from NASA's Aqua satellite. Phytoplankton are tiny organisms that feed on ...

Nasa's Aqua satellite has captured a stunning image of the Black Sea from space, as turquoise swirls dominate the usually dark blue waters. These jewel-toned hues appear each summer as microscopic ...