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@@ -148,10 +148,11 @@ synthesizing reaction systems for executing imperative programs or computing rea
     with <pre>docker run -p 8888:8888 registry.gitlab.inria.fr/lifeware/biocham:[tag]</pre>
     You can add <pre>start.sh biocham --notebook --NotebookApp.token=''</pre> if you don't want
     token-based authentication.</li>
-<br>
-<li><span>current notebook version online:</span>&nbsp;
-  <a href="http://lifeware.inria.fr/biocham4/online/">biocham4 notebook</a>. </li>
-<br>
+<li>current notebook version online:
+  <a href="http://lifeware.inria.fr/biocham4/online/">biocham4 notebook</a>
+on mybinder.org:
+  <a href="https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.inria.fr%2Flifeware%2Fbiocham.git/develop"><img src="https://mybinder.org/badge_logo.svg" alt="Binder" /></a>.
+</li>
 <li><span>previous versions:</span>&nbsp;
   <a href="biocham4.0.zip">biocham4.0.zip</a>, <a href="http://lifeware.inria.fr/biocham3/">biocham3</a>, <a href="http://lifeware.inria.fr:8888">biocham4 notebook 4.1.9</a>. </li></ul>
 <h2>Feedback and bug reports:</h2>