There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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Thyroid conditions may make getting pregnant impossible.
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People about to have surgery must tell their health care providers about all supplements they take.
Phenotypic effects in Drosophila larvae that have mutations in segmentation genes
Diseases and Effects on Liver
Effects of Altitude on Exercise Capacity
Some mechanisms of agonistic and antagonistic drug effects.
True Dover Sole
Global air circulation patterns and their effects on climate.