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Kaplan-Meier curve illustrating overall survival based on volume of brain metastases.Elaimy et al. (2011) [6] In its simplest form, the hazard ratio can be interpreted as the chance of an event occurring in the treatment arm divided by the chance of the event occurring in the control arm, or vice versa, of a study.
The Cullinan Diamond is the largest gem-quality rough diamond ever found, [2] weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan , the owner of the mine.
Lapis lazuli (UK: / ˌ l æ p ɪ s ˈ l æ z (j) ʊ l i, ˈ l æ ʒ ʊ-,-ˌ l i /; US: / ˈ l æ z (j) ə l i, ˈ l æ ʒ ə-,-ˌ l i /), or lapis for short, is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color.
These nodules typically range in size from 4–14 cm (1.6–5.5 in) in diameter, though some can be as large as 15 cm (5.9 in). Manganese and related hydroxides precipitate from ocean water or sediment-pore water around a nucleus, which may be a shark's tooth or a quartz grain, forming potato-shaped nodules some 4–14 cm (1.6–5.5 in) in ...
It was where many of Titanic ' s passengers and crew made their last stand as the ship sank. The forecastle and poop deck were separated from the bridge deck by well decks. [20] [21] C Deck, the shelter deck, was the highest deck to run uninterrupted from stem to stern. It included both well decks; the aft one served as part of the Third-Class ...
Malaria is a mosquito-borne infectious disease that affects vertebrates and Anopheles mosquitoes. [6] [7] [3] Human malaria causes symptoms that typically include fever, fatigue, vomiting, and headaches.
Population level biodiversity (mostly in coldspots) are disappearing at a rate that is ten times that at the species level. [ 99 ] [ 106 ] The level of importance in addressing biomass versus endemism as a concern for conservation biology is highlighted in literature measuring the level of threat to global ecosystem carbon stocks that do not ...
New York, also called New York State, [b] is a state in the northeastern United States.Bordered by New England to the east, Canada to the north, and Pennsylvania and New Jersey to the south, its territory extends into both the Atlantic Ocean and the Great Lakes.