Seeing Microscopic Creatures from Space

The oceans and lakes are full of life, and most of it is not visible to the naked eye. In most bodies of water, every cubic centimeter contains many microorganisms — bacteria, zooplankton as well as single-cell plants called phytoplankton — all of them important links in the natural food chain. Scientists are now using satellites to observe and study these tiny creatures. VOA’s George Putic reports.

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