We begin with the Carnival of Cinema at Nehring The Edge, where you can delve into the debates on whether a 12-year old actress should ever be graphically portrayed as a child rape victim, or enjoy light-hearted fare such as my Top Ten Picks for Costume Flicks.
The Carnival of the Storytellers, 3rd edition at Digital Rich Daily had a Valentine's theme but graciously allowed space for submissions that failed to stay on message and spun marvelous yarns on topics of their own choosing. Suldog's Solomon the Milkman is among the most notable of the stories in this fine collection.
Lab Cat hosts The Tangled Bank #73, the venerable and always informative carnival for science blogging. If you've ever wondered about detachable spider penises or what makes monkeys more sophisticated than fish, then this is the place for you.
Finally, Martin Rundkvist at Aardvarchaeology serves up History Carnival #48. This remains my favorite carnival, and was the first to which I ever submitted a post. Progressive Historians has a gem of a post on the opening phase of Ulysses Grant's march toward the Wilderness, told in such gripping prose and with detail to individual stories within the larger narrative that one suspects a longer work of nonfiction will be the result.