diff --git a/burn.md b/burn.md
index 6f9d6978c..38ce90eb1 100644
--- a/burn.md
+++ b/burn.md
@@ -1,7 +1,10 @@
 # burn
-- an [[episode]] of [[yoga with adriene]]
+- an [[episode]].
+	- [[yoga with adriene]]
 	- [[go]] https://www.youtube.com/watch?v=aAVOdXvdtk8&list=PLui6Eyny-UzzJ4NSTesh4xRWg4ZWNz5s4&index=8
-	- there's a claim about a type of breath "being great for warding off disease" or something along those lines I found potentially problematic; [[research]].
+	- #push [[research]]
+		- there's a claim in this episode about a type of breath "being great for warding off disease" or something along those lines I found potentially problematic; [[research]]
 - an [[action]].
 	- you can [[burn]] in some [[direction]], which means to spend [[resources]] to try to incrementally advance [[goals]] in that direction.
-	- you burn [[fuel]] to heat up things or
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+	- you burn [[fuel]] to heat up things or to do work through an [[engine]].
+		- spaceships [[burn]] their engines to expel [[reaction mass]] and get a movement in the opposite direction]].
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