I love this project. Visit the link and scroll down to the second video for a grid of 126 time-lapse movies, each showing the sky on a different day. (Also on YouTube.)
(Hat tip: Mark Larson's Tumblr)
---
Possibly related:
Recent evidence suggests that bacteria in clouds may have evolved the ability to make it rain as a way of dispersing themselves around the globe. (Hat tip: Kottke)
