Nikon Instruments Inc. today unveiled the winners of the seventh annual Nikon Small World in Motion Photomicrography Competition, awarding First Place to Daniel von Wangenheim from the Institute of Science and Technology Austria for his time lapse video following the root tip of Arabidopsis thaliana (also known as the Thale cress). The video reflects a time lapse of 17 hours and approximately 4mm of growth. Von Wangenheim and his colleagues are studying how plants perceive and respond to gravity.