Template:Motd/2015-03-16 (en)
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![](https://upload.wikimedia.org/wikipedia/commons/2/23/Thermally_Agitated_Molecule.gif)
Shown here is the thermal motion of a segment of protein alpha helix. Molecules have various internal vibrational and rotational degrees of freedom.
![](https://upload.wikimedia.org/wikipedia/commons/2/23/Thermally_Agitated_Molecule.gif)
This is the English translation of the Media of the day description page from 16 March 2015.
Descriptions in other languages: