Mario Aquino discusses the structure and organization of Clojure's Lisp syntax as well as special forms in the language for declaring data structures.
Steven Kelly discusses designing languages for humans based on insight from cognitive and empirical research.
Stuart Dabbs Halloway reviews Clojure’s syntax and explains how Clojure-Java interop works. He then talks about simplicity, attempting to prove that Clojure is a simpler and better language than Java.
Venkat Subramaniam explains some of the Groovy syntax elements and its idioms by taking Java code examples and transforming them step by step into their more concise Groovy counterparts.
Sadek Drobi talks about abstracting the control syntax (glue) in mainstream and FP languages: Null, propagating errors, events, lists, streams, channels, functors, monads, and custom abstractions.