Swimming With the Sharks – Wall Street Journal (subscription)

Brian Skerry has been intrigued by the ocean ever since he took a course in scuba diving as a teenager. He turned it into his day job by becoming a nature photographer specializing in underwater life. His work is now featured in the exhibit “Sharks: On Assignment With Brian Skerry” at the National Geographic Museum in Washington, D.C., running through October. (There’s a $25 companion book, “Shark,” as well.) Capturing the creatures is tricky work; sometimes he wears a chain-mail suit to protect himself or brings an assistant to monitor what’s around him. He has a few rules, he says: “Never let your guard down,…