Original sentence: Historically, such searches were a major part of archaeology, but in recent years have fallen out of favor in deference to more scientific and academic study of the past.It is also promulagated some actual archaeologists, including Graham Hancock searching for the Ark of the Covenant (as Indiana did), but other archaeologists refer to these endeavors as pseudoarchaeology
Edited sentence: However, a larger percentage now work for private businesses, especially in the field of historic preservation.It is a scientific discipline that focuses on testing theories about human culture and historical events, rather than revealing hidden treasures.It is also promulagated by sensational writers, including Graham Hancock searching for the Ark of the Covenant (as Indiana did), whose work usually falls into a category referred to by scientists as pseudoarchaeology.It was once true that most professional archaeologists were based at universities.Real archaeology is undertaken by trained professionals who have graduate degrees in fields such as Classics, anthropology, art history, or Near Eastern Studies