The phrase "a further curiosity" is correct and usable in written English.
It can be used when introducing an additional point of interest or an intriguing fact related to a topic being discussed.
Example: "In addition to the main findings, a further curiosity is that the results varied significantly across different demographics."
Alternatives: "an additional curiosity" or "a subsequent curiosity".
Yet there is a further curiosity here.
A further curiosity of the archive are the lists - sometimes jotted in the endpapers of books, sometimes typed - of unusual "VOCAB" (as Wallace heads one such sheet).
A further curiosity in the film is that Gainsbourg is portrayed as constantly battling with an alter-ego – humorous and creative but also self-destructive – which assumes a physical form, played by the American actor, Doug Jones.
Downing's practical ideas about how to achieve the Beautiful included grouping trees in clusters, importing shrubbery of "the finest foreign sorts," and mixing forms and colors with enough variety to "keep alive the interest of a spectator, and awaken further curiosity".
Near the top of the closing credits, again in time-honored Hollywood fashion, a single line seems almost intended to discourage further curiosity: "Music by John Williams".
When you see education as a platform you see it as something that generates further curiosity, new needs, experiences to meet those needs, more curiosity, and so on.
He maintained the ambivalent stance he has all year - neither in, nor out - in a way that has merely stoked the speculation and aroused further curiosity.
In the likely event that "The Master Blaster" prompts further curiosity about this part of the world, read James D. Scurlock's nonfiction "King Larry" too.
These thoughts led to further curiosity about how standard animal-use practices evolved, how the usefulness of animal-disease models are evaluated, and how animal tests are used to satisfy regulatory requirements.
Ultimately, we hope to remove, or at least alleviate, the worries that many students have when called upon to examine and understand X-rays, CTs, MRIs, etc., and instead promote further curiosity in these critical areas of physical diagnosis.
(There's also, "What a great idea!", an answer which is guaranteed to have the rest of the class wishing the question had not been asked in the first place -- it should certainly stifle further curiosity along those lines).
