Nori — which means "ocean moss" in Japanese — is produced from a type of red algae called pyropia, and has been part of the Japanese diet for over a thousand years. Though it was once eaten in its ...

When algae eventually die, they decay in water and use up a lot of oxygen from it. This can make the amount of oxygen in the water dangerously low, which can harm other organisms. People sometimes ...

Didymo is different from other types of algae and is being treated as an invasive species. Great Lakes: Transporation authority votes to shorten Neebish Island Ferry service hours "Didymo actually ...

Sea vegetables — or seaweed — are all different types of algae. Algae grow in marine environments. They use sunlight for energy and naturally absorb vitamins and minerals from the ocean.