Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese ...

Here's a closer look at ... but blue-green algae is now recognized as a separate phylum. Collectively, the microscopic cynobacteria cells can form a bloom, a soup-like layer on the water's surface ...

Blue spirulina is the phycocyanin pigment extracted from the spirulina algae ... makes it look blue. Phycocyanin is also an antioxidant that has many potential health benefits. Green spirulina ...

Read more: Whole Foods has a new convenience store that sells fresh organic fruit, pantry staples, and açai bowls - here's what it's like ... about algae, even if it is blue-green.

Analysis - Nearly three fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But ...