What could a scientist in my Star Wars RPG be researching?

[David Johnston2]

Originally Posted by Maximum7

Humans came from Zhell.

Did they?

"We believe the Zhell were Humans — perhaps the original Human population that took to the stars when Imperial Center was known as Notron."
―Mesh Burzon[src]

That doesn't sound like a definite statement, and it's dubious considering that the Zhell were sharing Coruscant with another and quite different intelligent species.