What you likely didn't see is any algae or debris. Nice pools demand a deep scrubbing, so if you want a similar experience ...

A team of biophysicists has published a step-by-step guide for the reliable cultivation of the unicellular green alga ...

Corals everywhere on the planet live in harmony with microscopic organisms. Many corals get their vivid colors from ...

Nova Scotians are being warned to be on the lookout for blue-green algae as they head outdoors in the warmer weather to enjoy ...