Earth’s oceans weren’t always blue, scientists say
But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...
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Were our blue oceans once green?
Imagine the world’s oceans with their beautiful blue color. Now, imagine that the same oceans were green. This is the intriguing possibility suggested by new research from Nagoya University in Japan.
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Early oceans were green, not blue: study
The earliest lifeforms, cyanobacteria, appeared around 4 billion years ago. These organisms, now known as algae, were among ...
Blue-green algae alert issued for Lake Marian by Osceola County Department of Health
OSCEOLA COUNTY, Fla. — The Florida Department of Health in Osceola County (DOH-Osceola) cautions the public of the presence ...