Template:Motd/2013-10-22 (en)

Macromolecular juggling by enzymes, accompanied by music after Ernst Toch.

 Template:Motd/2013-10-22

This is the English translation of the Media of the day description page from 22 October 2013.

Descriptions in other languages:

• Motd/2013-10-22 (en)
• Motd/2013-10-22 (zh-hans)