| 1 | Nautilus is a small sea animal. | |
| 2 | In 1954, the first atomic submarine, the US " Nautilus, " was launched at Groton, Connecticut. | |
| 3 | Motifs include a woman' s face, a dancer, a dolphin, a nautilus shell and the sun. | |
| 4 | Even if the economics stack up, however, Nautilus and Neptune must overcome concerns over environmental damage. | |
| 5 | Related to the pearly nautilus, these spiral-shelled marine creatures went extinct along with the dinosaurs around 65 million years ago. |