Update _config.yml

Author: ejfertig

_config.yml

@@ -39,16 +39,16 @@ navigation_header:
   url: /biography/
 - title: Research Areas
   url: /research/
-# - title: Lab Members
-#  url: /lab-members/
+- title: Lab Members
+  url: /lab-members/
 # - title: Publications
 #   url: /publications/
 - title: Software
   url: /software/
 - title: Teaching
   url: /teaching/
-# - title: Opportunities
-#  url: /opportunities/
+- title: Opportunities
+  url: /opportunities/
 
   # Jekyll settings
 sass: