Thus far in the history of the United States there been three Presidential impeachment proceedings -- in 1868 against President Andrew Johnson for his removal of Secretary of War Edwin Stanton in violation of the Tenure of Office Act - 1974 against President Richard Richard Nixon for the Watergate coverup (106 years after Johnson) - 1998-99 against ...
Medical entomology. The discipline of medical entomology, or public health entomology, and also veterinary entomology is focused upon insects and arthropods that impact human health. Veterinary entomology is included in this category, because many animal diseases can jump species and become a human health threat, for example, bovine encephalitis.
Put simply, entomology is a branch of zoology (the study of animals) that studies insects and how they interact with their environment, other species and humans (1). The word originates - as most scientific classifications do - with a Greek word: entom, meaning ânotchedâ. An animal is an insect when it has segmented body parts.