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Ambergris in dried form. Ambergris (/ ˈ æ m b ər ɡ r iː s / or / ˈ æ m b ər ɡ r ɪ s /; Latin: ambra grisea; Old French: ambre gris), ambergrease, or grey amber is a solid, waxy, flammable substance of a dull grey or blackish colour produced in the digestive system of sperm whales. [1]
Spermaceti / s p ər m ə ˈ s iː t i ˌ-ˈ s ɛ-/ is a waxy substance found in the head cavities of the sperm whale (and, in smaller quantities, in the oils of other whales). Spermaceti is created in the spermaceti organ inside the whale's head. This organ may contain as much as 1,900 litres (500 US gal) of spermaceti. [1]
The spermaceti organ in sperm whales is shaped like an elongated barrel and sits on top of the whale's melon. Historically, the spermaceti oil found within it was used in a variety of products – including lamp oils, candles, and lubricants – providing the economic basis for the sperm whaling industry. [ 2 ]
Used to identify a specimen organism from a set of known taxa. [5] Systematics, Taxonomy. Manhattan plot: Used to display data with a large number of data-points, many of non-zero amplitude, and with a distribution of higher-magnitude values. The plot is commonly used in genome-wide association studies (GWAS) to display significant SNPs. [6 ...
Project CETI is an international initiative to understand the acoustic communication of sperm whales using advances in artificial intelligence. [ 1 ] [ 2 ] The project has an interdisciplinary scientific board including marine biologists , artificial intelligence researchers, roboticists, theoretical computer scientists, and linguists.
Shore-based work on South Georgia took place in the marine laboratory, Discovery House, built in 1925 at King Edward Point and occupied until 1931. The scientists lived and worked in the building, travelling half a mile or so across King Edward Cove to the whaling station at Grytviken to work on whales as they were brought ashore by commercial whaling ships.
Many laboratory animals, including mice and rats, are chronically stressed which can also negatively affect research outcomes and the ability to accurately extrapolate findings to humans. [ 33 ] [ 34 ] Researchers have also noted that many studies involving mice, rats and other rodents are poorly designed, leading to questionable findings.
Hal Whitehead is a biologist specializing in the study of the sperm whale (Physeter macrocephalus).Whitehead is professor at Dalhousie University.The primary field research vessel of his laboratory is the Balaena, a Valiant 40 ocean-going cruising boat, which normally does its work off the coast of Nova Scotia.