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As whales reach the water surface to breathe, they forcefully expel air through the blowhole. The exhalation is released into the comparably lower-pressure, colder atmosphere, and any water vapor condenses. This spout, known as the blow, is often visible from far away as a white splash, which can also be caused by water resting on top of the ...
The Southern Ocean, rich in nutrients but iron-deficient, experiences increased phytoplankton blooms due to whale feces, acting as a significant carbon sink. The phenomenon of whales defecating near the water's surface reverses the typical flow of nutrients in the ocean's biological pump, contributing to the "whale pump." Whales feed at deeper ...
A reservoir of water under the bricks keeps the furnace from scorching the wood of the deck. In the 18th and 19th century New England whaling industry, tryworks on whaling ships allowed the vessels to stay at sea longer as it allowed them to boil out the oil during the voyage and not have to carry unprocessed blubber home.
The whaleship would keep watch from the crowsnest, so it could sail to the signal and lash the dead whale alongside. Then the work of flensing (butchering) began, to separate the whale into its valuable components. The blubber was rendered into whale oil using two or three try-pots set in a brick furnace called the tryworks.
Marine mammal adaptation to an aquatic lifestyle varies considerably between species. Both cetaceans and sirenians are fully aquatic and therefore are obligate water dwellers. Pinnipeds are semiaquatic; they spend the majority of their time in the water but need to return to land for important activities such as mating, breeding and molting.
The Palisades Fire burns a residence in the Pacific Palisades neighborhood of Los Angeles, on Jan. 7, 2025. Credit - Ethan Swope—AP. T housands of residents have been forced to evacuate the Los ...
While nursing in the vertical position, a mother whale may sometimes rest with her tail flukes remaining stationary above the water. This position with the flukes above the water is known as "whale-tail-sailing." Not all whale-tail-sailing includes nursing of the young, as whales have also been observed tail-sailing while no calves were present ...
As Joe Biden's presidency nears its end, he bid farewell to a "dear friend" in former President Jimmy Carter.. Carter, 100, died on Sunday at his home in Plains, Georgia. Biden released a ...
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