Update about.liquid

Author: abhilash-neog

_layouts/about.liquid

@@ -108,7 +108,7 @@ layout: default_about
       Research
     </h2>
     <div class="research">
-      <iframe width="560" height="315" src="https://www.youtube.com/watch?v=POsGBquHFaY" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+      <iframe width="560" height="315" src="https://www.youtube.com/embed/POsGBquHFaY" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
     </div>
 
     <!-- Projects -->