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A tapeworm, Taenia pisiformis, a member of the class Cestoda.
Bipolar disease. The term bipolar means “pertaining to two poles.” The individual with this form of
The Masses, a leading Socialist magazine, featured drawings by artists, including John Sloan, as wel
A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico.
Religious Groups: From Hostility to Acceptance
This living protozoan is the common Paramecium multimicronucleatum that moves by means of its numero