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The word iridescence is derived in part from the Greek word ἶρις îris (gen. ἴριδος íridos), meaning rainbow, and is combined with the Latin suffix -escent, meaning "having a tendency toward". [1] Iris in turn derives from the goddess Iris of Greek mythology, who is the personification of the rainbow and acted as a messenger of the ...
Words in Colour is a synthetic phonics system that uses colour to indicate the phonetic properties of letters. [3] The system has been adapted for the use of deaf children, [4] and for dyslexic children. [3] Words in Colour was one of a number of colour assisted schemes, being followed by Colour Story Reading, Colour Phonics System and English ...
Evolutionary change that occurs within a species lineage as opposed to lineage splitting (cladogenesis). [7] analogous structures A set of morphological structures in different organisms which have similar form or function but were not present in the organisms' last common ancestor. The cladistic term for the same phenomenon is homoplasy. ancestor
In the majority of alternades, every second letter is used to make two smaller words, but in some cases, every third letter is used to make three smaller words. Theoretically, a very long word could use every fourth letter to make four smaller words; e.g., «partitioned» is an alternade for «pin», «ate», «rid», and «to».
Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. [3]
“A front door carries much more meaning than the official entrance of our home,” says Michelle Lewis, Color Psychology expert and author of Color Secrets. She explains that in various global ...
On the left, an intensity image of a cat. In the center, a gradient image in the x direction measuring horizontal change in intensity. On the right, a gradient image in the y direction measuring vertical change in intensity. Gray pixels have a small gradient; black or white pixels have a large gradient.
Two guys walk into a bar. The third one ducked. A photon goes to the airport. The ticket agent asks if there's any luggage to check. The photon replies, “No, I'm traveling light.”