NR-1 Sinkhole interest, as sinkholes are generally believed to form only in environments which are subaerial, or exposed to the air. In contrast, the NR-1 Sinkhole is believed to be too deep underwater for the area to have been exposed to the air during formation in the Neogene. It was the first documented evidence suggesting that it is possible for karst sinkholes to form entirely underwater. NR-1 Sinkhole The NR-1 Sinkhole is a giant underwater sinkhole located in the Straits of Florida southwest of Key West, Florida. It is found at an approximate depth of of water at the foot of the
A Man Walks Into a Bar... A Man Walks Into a Bar... "A Man Walks Into a Bar..." is the 14th episode in the eighth season, and the 176th overall episode, of the American crime drama television series "NCIS". It first aired on CBS in the United States on February 8, 2011. The episode is written by Gary Glasberg and directed by James Whitmore, Jr., and was seen by 20.35 million viewers. In the episode, a naval commander is found dead in his rack aboard ship, apparently murdered. The NCIS team investigates while having to deal with mandatory psychological evaluations conducted by Dr. Rachel Cranston, who