Sheep: Did you mean...?

The Debate Between Sheep and Grain (c. 2000 BCE) is one of the best-known Sumerian literary debates in a genre that was popular entertainment by the late 3rd millennium BCE. In this piece, personifications of grain and sheep argue which is...

Dolly the Sheep in a field at the Roslin Institute. Photo courtesy of the Roslin Institute, University of Edinburgh, UK.

Animal husbandry is commonly defined as a branch of agriculture dealing with the domestication, breeding, and rearing of animals for various purposes including labor (as in the case of large animals), a food source, protection, and companionship...

Silphium (also known as laser) was an uncultivated plant that grew in Cyrene, North Africa (modern Shahhat, Libya) and became the cash crop of the region of Cyrenaica between c. 631 BCE and the 1st century CE when, according to Pliny the...

Writing is the physical manifestation of a spoken language. It is thought that human beings developed language c. 35,000 BCE as evidenced by cave paintings from the period of the Cro-Magnon Man (c. 50,000-30,000 BCE) which appear to express...

Ancient Egyptian writing is known as hieroglyphics ('sacred carvings') and developed at some point prior to the Early Dynastic Period (c. 3150 -2613 BCE). According to some scholars, the concept of the written word was first developed in...

The germ theory, which emerged in the late 19th century, demonstrated that microscopic germs caused most human infectious diseases. The germs involved included bacteria, viruses, fungi, protozoa, and prions. Louis Pasteur (1822-1895), a French...

Nisaba (also Naga, Se-Naga, Nissaba, Nidaba, and associated with Nanibgal) is the Sumerian goddess of writing, accounts, and scribe of the gods. Although her name is commonly given as Nidaba, noted scholar Jeremy Black points out that "the...

Ajax is a play written by the 5th-century BCE Greek poet and dramatist Sophocles. Although Sophocles wrote at least 120 plays, only seven have survived. Of his surviving plays, the best-known is Oedipus Rex (Oedipus the King) - part of a...

The silphium plant of Cyrene, valued as a seasoning, aromatic, and for its medicinal properties, is referenced by several notable ancient writers, but two of the best-known descriptions come from Theophrastus (l. c. 371 to c. 287 BCE) and...