diff --git a/_quarto.yml b/_quarto.yml
index 608a313..44a4177 100644
--- a/_quarto.yml
+++ b/_quarto.yml
@@ -3,6 +3,7 @@ project:
   resources: 
     - workshops
     - teaching
+    - data
     #- papers
   render:
     - "*qmd"
@@ -14,6 +15,9 @@ project:
 filters:
     - codeblocklabel
     
+execute:
+  freeze: auto  # re-render only when source changes    
+    
 website:
   google-analytics: 
     tracking-id: "G-C00S3NPL7B"
@@ -40,6 +44,50 @@ website:
         text: bsky
       - href: https://github.com/JoFrhwld
         icon: github
+  sidebar:
+    - title: "Home"
+    - title: "Research"
+      contents: 
+        - research/index.qmd
+        - make_qmd.ipynb
+        - section: "By Year"
+          contents:
+            - section: "2020s"
+              contents: 
+                - text: "2023"
+                  href: "research/#2023"            
+                - text: "2022"
+                  href: "research/#2022"  
+                - text: "2021"
+                  href: "research/#2021"          
+                - text: "2020"
+                  href: "research/#2020"
+            - section: "2010s"
+              contents:
+                - text: "2019"
+                  href: "research/#2019"
+                - text: "2018"
+                  href: "research/#2018"
+                - text: "2017"
+                  href: "research/#2017"
+                - text: "2016"
+                  href: "research/#2016"
+                - text: "2015"
+                  href: "research/#2015"              
+                - text: "2014"
+                  href: "research/#2014"
+                - text: "2013"
+                  href: "research/#2013"
+                - text: "2012"
+                  href: "research/#2012"              
+                - text: "2011"
+                  href: "research/#2011"
+            - section: "2000s"
+              contents:
+                - text: "2008"
+                  href: "research/#2008"              
+                - text: "2007"
+                  href: "research/#2007"              
         
 format:
   html:
@@ -53,7 +101,6 @@ format:
         - styles/dark.scss
         - styles/styles.scss
     toc: true
-    
 
 editor: visual