Interpretation Provides information to assist in interpretation of the test results. Creatine kinase MB (CKMB) levels can be detected within 3 to 8 hours of the onset of chest pain, peak within 12 to 24 hours, and usually return to baseline levels within 24 to 48 hours.
Elusive Whales Set New Record for Depth and Length of Dives Among Mammals. A new study of elusive Cuvier's beaked whales shows they can dive to nearly 10,000 feet (3,000 meters). View Images. A Cuvier's beaked whale swims just under the surface of the ocean near the GalÃ¡pagos Islands.
Instead, the spermaceti organ contains high quality oil. Sperm whales are very difficult to study because they spend most of their time in open water, away from coastlines. Sperm whales can dive to 3000 feet (915 meters) in pursuit of giant squid, their primary prey. Interesting Facts: 1  Sperm whales have huge heads (40% of the body length) and possess the largest brain of any creature that has ever lived on Earth. 2  Sperm whales produce intense clicks, sometimes in a series.