i don't think i knew what materials engineering was when i was in high school or college. but it's tops of the list of things i would want to try if i had a chance to redo my schooling and my career.

https://www.bostonglobe.com/news/science/2017/07/04/ancient-concrete-outlasted-empire-and-could-help-outlast-rising-seas/XfR5I7kId37PtmNpUrwETI/story.html