It's carnival time! Here are four excellent round-ups of blog posts for your scientific delectation.
Tangled Bank #102 (everything!) at Further Thoughts
Carnival of the Green #121 (environmental issues) at Conserve Plastic Bags
Circus of the Spineless #31 (invertebrates) at From Archaea to Zeaxanthol
Encephalon (neuroscience) at Of Two Minds
