Here's everything you need to know about chlorella and spirulina, including their nutrition, health benefits, similarities, and differences. Chlorella is a green algae that grows in freshwater ...

Spirulina is a type of blue-green algae that some people take as a dietary supplement. Potential benefits include positive effects on eye health, blood pressure, and cholesterol levels.

How pond scum could become the hero of our eating habits on Earth and feed astronauts on missions to Mars. “People have been eating blue-green algae for a very long time. Several hundred years ...