<div dir="ltr">This animated documentary celebrates the 17th-century citizen scientist Antonie van Leeuwenhoek, whose discovery of microbes would change our view of the biological world.<div><br><a href="http://www.nytimes.com/video/opinion/100000003115176/seeing-the-invisible.html?smid=tw-nytimes">http://www.nytimes.com/video/opinion/100000003115176/seeing-the-invisible.html?smid=tw-nytimes</a></div><div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><b><font color="#ff0000" size="4">​The importance of citizen science!​</font></b></div><br></div></div>