diff --git a/images/MetaFold.jpg b/images/MetaFold.jpg
deleted file mode 100644
index 1997637..0000000
Binary files a/images/MetaFold.jpg and /dev/null differ
diff --git a/images/MetaFold.png b/images/MetaFold.png
new file mode 100644
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diff --git a/index.html b/index.html
index f066b70..d899d16 100644
--- a/index.html
+++ b/index.html
@@ -341,7 +341,7 @@ <h2><b>Research</b></h2>
                 <!-- MetaFold -->
                   <!-- cover -->
                   <td style="padding:20px; width:25%; vertical-align:middle">
-                    <img src='images/MetaFold.jpg' style="width:100%; height:auto;">
+                    <img src='images/MetaFold.png' style="width:100%; height:auto;">
                   </td>
                 
                   <!-- content -->