diff --git a/app/assets/stylesheets/articles.scss b/app/assets/stylesheets/articles.scss
index d939be889..7acdf63ab 100644
--- a/app/assets/stylesheets/articles.scss
+++ b/app/assets/stylesheets/articles.scss
@@ -860,7 +860,7 @@
     }
     .widget{
       width:calc(100% - 30px);
-      padding:14px 12px;
+      padding:10px 12px;
       margin-bottom:15px;
       position:relative;
       overflow:hidden;
@@ -934,12 +934,17 @@
       header{
         width:100%;
         margin:auto;
-        padding-bottom:5px;
         font-weight:800;
-        font-size: 1.3em;
+        font-size: 1.2em;
         padding-bottom:10px;
         font-family: $helvetica-condensed;
         font-stretch:condensed;
+        a{
+          color: $black;
+          &:hover{
+            text-decoration: underline;
+          }
+        }
         .emoji{
           margin-right:3px;
           margin-left:5px;
@@ -1130,11 +1135,19 @@
         }
       }
       .cta-button{
-        padding:5px 18px;
-        border-radius:3px;
-        margin-top:12px;
-        font-weight: bold;
-        display:inline-block;
+        margin-top:8px;
+        padding:17px 5px 8px;
+        margin-left: 3px;
+        font-size:0.93em;
+        color: $sky-blue;
+        background: white;
+        display:block;
+        width:92%;
+        border-top: 3px solid $light-gray;
+        &:hover{
+          text-decoration: underline;
+          opacity:1;
+        }
       }
     }
     .widget-link-list__item {
diff --git a/app/models/article.rb b/app/models/article.rb
index f977eb82c..2ef2da3d8 100644
--- a/app/models/article.rb
+++ b/app/models/article.rb
@@ -153,9 +153,9 @@ class Article < ApplicationRecord
     end
   end
 
-  def self.active_discuss_threads(tag=nil, time_ago=nil)
+  def self.active_threads(tags=["discuss"], time_ago=nil, number=10)
     stories = where(published:true).
-      limit(8)
+      limit(number)
     if time_ago == "latest"
       stories = stories.order("published_at DESC")
     elsif time_ago
@@ -166,8 +166,7 @@ class Article < ApplicationRecord
         where("published_at > ?", (tag.present? ? 5 : 2).days.ago)
     end
 
-    stories = stories.tagged_with(["discuss", tag]) if tag
-    stories = stories.tagged_with("discuss") unless tag
+    stories = stories.tagged_with(tags)
 
     stories.pluck(:path, :title, :comments_count, :created_at)
   end
diff --git a/app/views/articles/_sidebar_additional.html.erb b/app/views/articles/_sidebar_additional.html.erb
index 8dc074278..ad03535b1 100644
--- a/app/views/articles/_sidebar_additional.html.erb
+++ b/app/views/articles/_sidebar_additional.html.erb
@@ -42,14 +42,14 @@
       <% end %>
     <% elsif @user && @user.class.name == "Organization" %>
     <% elsif @tag  %>
-      <% if Article.active_discuss_threads(@tag, Timeframer.new(params[:timeframe]).datetime).any? %>
+      <% if Article.active_threads([@tag,"discuss"], Timeframer.new(params[:timeframe]).datetime).any? %>
         <div class="widget">
           <header>
             <#DISCUSS>
           </header>
           <div class="widget-body">
             <div class="widget-link-list">
-              <% Article.active_discuss_threads(@tag, Timeframer.new(params[:timeframe]).datetime).
+              <% Article.active_threads([@tag,"discuss"], Timeframer.new(params[:timeframe]).datetime).
                 each do |plucked_article| %>
                   <%= render "articles/widget_list_item", plucked_article: plucked_article, show_comment_count: true %>
               <% end %>
@@ -110,7 +110,7 @@
       <% if Article.active_help.any? %>
         <div class="widget">
           <header>
-            <#HELP>
+            <a href="/t/help"><#HELP></a>
           </header>
           <div class="widget-body">
             <div class="widget-link-list">
@@ -118,27 +118,43 @@
                   <%= render "articles/widget_list_item", plucked_article: plucked_article, show_comment_count: true %>
               <% end %>
             </div>
-            <p><center><a class="cta cta-button" href="/new/help">ASK FOR HELP</a></center></p>
+            <a class="cta cta-button" href="/new/help">ASK FOR HELP</a>
           </div>
         </div>
       <% end %>
+      <% if Article.active_threads(["challenge"], Timeframer.new(params[:timeframe]).datetime).any? %>
         <div class="widget">
           <header>
-            <#DISCUSS>
+            <a href="/t/challenge"><#CHALLENGE></a>
           </header>
           <div class="widget-body">
             <div class="widget-link-list">
-              <% Article.active_discuss_threads(nil, Timeframer.new(params[:timeframe]).datetime).
+              <% Article.active_threads(["challenge"], Timeframer.new(params[:timeframe]).datetime, 5).
                 each do |plucked_article| %>
                   <%= render "articles/widget_list_item", plucked_article: plucked_article, show_comment_count: true %>
               <% end %>
             </div>
-            <p><center><a class="cta cta-button" href="/new/discuss">START A DISCUSSION</a></center></p>
+            <a class="cta cta-button" href="/new/challenge">CREATE A CHALLENGE</a>
           </div>
         </div>
+      <% end %>
       <div class="widget">
         <header>
-          <#EXPLAINLIKEIMFIVE>
+          <a href="/t/discuss"><#DISCUSS></a>
+        </header>
+        <div class="widget-body">
+          <div class="widget-link-list">
+            <% Article.active_threads(["discuss"], Timeframer.new(params[:timeframe]).datetime).
+              each do |plucked_article| %>
+                <%= render "articles/widget_list_item", plucked_article: plucked_article, show_comment_count: true %>
+            <% end %>
+          </div>
+            <a class="cta cta-button" href="/new/discuss">START A DISCUSSION</a>
+        </div>
+      </div>
+      <div class="widget">
+        <header>
+          <a href="/t/explainlikeimfive"><#EXPLAINLIKEIMFIVE></a>
         </header>
         <div class="widget-body">
           <div class="widget-link-list">
@@ -147,12 +163,12 @@
                 <%= render "articles/widget_list_item", plucked_article: plucked_article, show_comment_count: true %>
             <% end %>
           </div>
-          <p><center><a class="cta cta-button" href="/new/explainlikeimfive">ASK FOR AN EXPLANATION</a></center></p>
+            <a class="cta cta-button" href="/new/explainlikeimfive">ASK FOR AN EXPLANATION</a>
         </div>
       </div>
       <div class="widget" id="podcast-widget">
         <header>
-          &lt;LATEST PODCASTS&gt;
+          <a href="/pod">&lt;LATEST PODCASTS&gt;</pod>
         </header>
         <div class="widget-body">
             <% @podcast_episodes.each do |ep| %>
@@ -163,7 +179,7 @@
                 </div>
               </div>
             <% end %>
-            <p><center><a class="cta cta-button" href="/pod">VIEW ALL</a></center></p>
+            <a class="cta cta-button" href="/pod">VIEW ALL</a>
         </div>
       </div>
     <% end %>