The Biology of a Submerged Marigold When a marigold garland sinks into a pond, bacteria begin breaking down the organic ...

Plants typically absorb carbon dioxide and release oxygen as part of photosynthesis. Most people associate greenery with reduced carbon levels, and in the case of Minnesota's trees, that is certainly ...

A pond covered by duckweed. New research from the University of Minnesota finds that ponds — especially those covered by duckweed — can be a significant contributor of greenhouse gases into the ...