An icon for science stubs on :en.
<a href="https://en.wikipedia.org/wiki/User:AllyUnion" class="extiw" title="w:User:AllyUnion">User<i><b>:</b></i>AllyUnion</a>, <a href="//commons.wikimedia.org/wiki/User:Stannered" title="User:Stannered">User:Stannered</a>
CC BY 3.0
<a href="https://en.wikipedia.org/wiki/Image:Science-symbol2.png" class="extiw" title="w:Image:Science-symbol2.png">File<i><b>:</b></i>Science-symbol2.png</a>