Frontiers Quiz
October 1996
If cholera is microscopic, why do scientists hope to keep track of it using satellite photos?
Click here for the answer: Cholera rides through the world's oceans in the belly of microscopic animals called copepods. The copepods always travel with their favorite food -- phytoplankton (which includes algae). It's the phytoplankton's blooms that can be seen from space. Scientists hope to use the strong connection between the cholera, copepods and phytoplankton to keep track of the disease.
To find out more, read the article.
