01:45
Food for Thought: Primary Productivity and Global Geochemical Cycles
Thanks to recent breakthroughs in our ability to detect and analyze organisms much smaller than any studied in the past, scientists are now looking at a broad range of microbial life forms in the ocean. As part of this process, it's become much more...
02:24
Food for Thought: Primary Productivity, Carbon Dioxide and the Role of Humans
Excessive amounts of nutrients applied to lawns, agricultural fields and farms can lead to what scientists call nuisance blooms of algae. When that matter decomposes and sinks into the deeper layers of the coastal ocean, it uses up the available oxy...