Actually reverse the buttons

_layouts/home.html

@@ -6,7 +6,7 @@ layout: default
     {{ content }}
   </div>
   {% assign research_pages = site.pages | where_exp: 'page', 'page.url contains "/research/"' %}
-  {% for item in research_pages | reverse %}
+  {% for item in research_pages reversed %}
   <a class="btn btn-primary btn-lg" href="{{ item.url }}">{{ item.title }}</a>
   {% endfor %}
 </div>