At links to @rustvideos from Seattle Rust User Group (#6427)

Author: CarlKCarlK

draft/2025-03-05-this-week-in-rust.md

@@ -40,6 +40,9 @@ and just ask the editors to select the category.
 
 ### Observations/Thoughts
 
+* [video] [Rust Under the Hood](https://www.youtube.com/watch?v=L8caNpK3Shs)
+* [video] [9 Rules for Porting Rust to the Browser](https://www.youtube.com/watch?v=i6dahKSnuUg)
+
 ### Rust Walkthroughs
 
 ### Research