Why do scientists use binomial nomenclature instead of common names?

Scientists are using binomial nomenclature instead of common names because binomial nomenclature is easy to translate and it is unique for each living thing.

Explanation:

Binomial nomenclature is the formal way of naming a species using Latin language and written in italics. This name includes two parts which are genus and specific epithet. Each living species Scientific name is descriptive which helps the scientist to classify and organise the organism. The common name will not help the scientist to understand the species clearly since we can common names across the globe.

Generally travels west to east but often shifts to north and south