Ball-shaped pollen that get up the nose of allergy sufferers | Mail Online

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MICROLIFE

http://www.3d-today.org/2010/04/microscopic-images-reveal-invisible.html 
http://www.3d-today.org/2009/12/scientists-create-world-smallest.html

http://www.3d-today.org/2010/03/closer-look-at-life.html