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One of the best sources for the coolest, and quirkiest, scientific news is Henry Fountains Observatory column for The New York Times. It comes out weekly in Science Times, one of the last big concentrated science sections in a major . This week he replica Panerai watches called out an interesting study that suggests elephant seals may rest, or even sleep, while they dive. Picture a dead leaf falling off a tree and floating to the ground. Its a great way for the seals to increase efficiency as they may spend up to 90 percent of their time in the ocean diving.