2012's Best Microcopic Videos
Nikon has announced the winners of its 2012 Small World in Motion Competition, whihch features the year's best microcopic videos. The winner, from Dr. Olena Kamenyeva, displays the immune response in a mouse's lymph node when it's been activated by a laser.
Runners-up include this psychedelic view of the fluid dynamics of liquid crystals from Dr. Oleg D. Lavrentovich:
This time-lapse of a mouse's kidney developing over four days by Dr. Nils Lindström:
And this video showing sperm from two different males within the reproductive tract of a fruit fly by Dr. Stefan Lüpold.