Update app.py

app.py

@@ -423,21 +423,23 @@ def display_papers(papers):
     Display papers with their audio controls using URLs as unique keys.
     """
     st.write("## Research Papers")
-    
+    papercount=0
     for idx, paper in enumerate(papers):
-        with st.expander(f"📄 {paper['title']}", expanded=True):
-            st.markdown(f"**{paper['date']} | {paper['title']} | ⬇️**")
-            st.markdown(f"*{paper['authors']}*")
-            st.markdown(paper['summary'])
-            
-            # Single audio control for full content
-            if paper.get('full_audio'):
-                st.write("📚 Paper Audio")
-                file_ext = os.path.splitext(paper['full_audio'])[1].lower().strip('.')
-                if file_ext == "mp3":
-                    st.audio(paper['full_audio'])
-                elif file_ext == "wav":
-                    st.audio(paper['full_audio'])
+        papercount = papercount + 1
+        if (papercount<=20):
+            with st.expander(f"📄 {paper['title']}", expanded=True):
+                st.markdown(f"**{paper['date']} | {paper['title']} | ⬇️**")
+                st.markdown(f"*{paper['authors']}*")
+                st.markdown(paper['summary'])
+                
+                # Single audio control for full content
+                if paper.get('full_audio'):
+                    st.write("📚 Paper Audio")
+                    file_ext = os.path.splitext(paper['full_audio'])[1].lower().strip('.')
+                    if file_ext == "mp3":
+                        st.audio(paper['full_audio'])
+                    elif file_ext == "wav":
+                        st.audio(paper['full_audio'])
 
 def perform_ai_lookup(q, vocal_summary=True, extended_refs=False, 
                      titles_summary=True, full_audio=False):