Answer: Scientists will likely be investigating the answers for years to come, thanks in part to Diane's casts.
Explanation: This excerpt shows that Diane had made significant achievements in the aspect of bone casts. These achievements are so important and interesting that there are future prospects in it. Scientists have also taken interest in these projects and they hope to continue to investigate the answers even in future years.
So, this shows that Diane must have loved the job of being a Bone Detective so much that she invested a good amount of her time and effort into it.