These videos demonstrate the power of narrative. The voice is that of David Attenborough. The videos were constructed by the people at Wreck & Salvage (specifically: Erik Nelson, Adam Quirk, and Aaron Valdez):
Photosynthesis and the origin of life:
[vimeo]77792133[/vimeo]
Mating ritual of two twits:
[vimeo]77785214[/vimeo]
(HT Ed Yong and Jennifer Ouellette)