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A rare species is a group of organisms that are very uncommon, scarce, or infrequently encountered. This designation may be applied to either a plant or animal taxon, and is distinct from the term endangered or threatened.
This definition is essentially the same as that of the Orphan Drug Act of 1983, a federal law that was written to encourage research into rare diseases and possible cures. In Japan, the legal definition of a rare disease is one that affects fewer than 50,000 patients in Japan, or about 1 in 2,500 people.
Rara avis is a Latin phrase for 'rare bird'.. Rara avis may refer to: . Rara Avis, Mississippi, an American ghost town; Rara Avis, an artwork by Ralph Helmick; Rara avis, a 2005 exhibition about Iris Apfel
from the Greek "prasios", meaning leek-green, and "didymos", meaning twin. Rare-earth magnets, lasers, core material for carbon arc lighting, colorant in glasses and enamels, additive in didymium glass used in welding goggles, [11] ferrocerium firesteel (flint) products, single-mode fiber optical amplifiers (as a dopant of fluoride glass) 9.2 60 Nd
Rara is a form of festival music that originated in Haiti that is used for street processions, typically during Easter Week.The music centers on a set of cylindrical bamboo trumpets called vaksin, but also features drums, maracas, güiras or güiros (a percussion instrument), and metal bells, as well as alsos which are made from recycled metal, often coffee cans.
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A judge in Brazil has ordered Adele’s song Million Years Ago to be removed globally from streaming services due to a plagiarism claim by Brazilian composer, Toninho Geraes. Geraes alleges that ...
The Rare Earth hypothesis argues that planets with complex life, like Earth, are exceptionally rare.. In planetary astronomy and astrobiology, the Rare Earth hypothesis argues that the origin of life and the evolution of biological complexity, such as sexually reproducing, multicellular organisms on Earth, and subsequently human intelligence, required an improbable combination of astrophysical ...