Arda ›

: Users can utilize interactive maps and data analysis tools to research religious trends or build custom surveys. 3. Molecular Biology: The ardA Gene

: Scholars often discuss "Arda Marred," the idea that the world was corrupted by the dark lord Melkor, and the prophecy of "Arda Healed" (Arda Envinyanta), when the world will be restored. 2. The Association of Religion Data Archives (ARDA) : Users can utilize interactive maps and data

: Arda includes the continents of Middle-earth (where most of the famous stories take place) and Aman (the Undying Lands). : Its timeline is divided into major eras:

In the social sciences, the ARDA is a premier online resource for and data. In the works of J.R.R. Tolkien

: Its timeline is divided into major eras: the Years of the Lamps , the Years of the Trees , and the Years of the Sun . Tolkien intended Arda to be a fictionalized "prehistory" of our own Earth.

In microbiology, is a specific gene found in many bacteria that helps them evade immune defenses.

In the works of J.R.R. Tolkien, such as The Silmarillion and The Lord of the Rings , (Quenya for "Realm") is the name of the world itself.