Eerie fluorescent blue patches of water glimmering off Hong Kong’s seashore are magnificent, disturbing and potentially toxic, marine biologists say. The glow is an indicator of a harmful algal ...

Imagine yourself swimming in the warm water off the coast of a lovely sandy beach. Suddenly, you are swimming through a beautiful, soft blue glow that seems to come from the water all around you.

11, along State Road 29, and an equally sinister blue smoke hovered above ... “sulfur-based fertilizer known for producing a glowing effect while burning.” The Fort Myers Fire Department ...