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⚧
Gender symbols on a public toilet in Switzerland, alt=Image shows male and female symbols incised deeply A gender symbol is a pictogram or glyph used to represent sex and gender, for example in biology and medicine, in genealogy, or in the sociological fields of gender politics, LGBT subculture and identity politics. In his books (1767) and (1771), Carl Linnaeus regularly used the planetary symbols of Mars, Venus and Mercury, , for male, female and hermaphroditic (perfect) flowers, respectively. Botanists now use for the last. In genealogy, including kinship in anthropology and pedigrees in animal husbandry, the geometric shapes or are used for male and for female. These are also used on public toilets in some countries. The modern international pictograms used to indicate male and female public toilets, and , became widely used in the 1960s and 1970s. They are sometimes abstracted to for male and for female. Biology and medicine The three standard sex symbols in b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LGBT Symbols
Over the course of its history, the LGBTQ community has adopted certain symbols for self-identification to demonstrate unity, pride, shared values, and allegiance to one another. These symbols communicate ideas, concepts, and identity both within their communities and to mainstream culture. The two symbols most recognized internationally are the pink triangle and the rainbow flag. Letters and glyphs Gender symbols The female and male gender symbols are derived from the astronomical symbols for the planets Venus and Mars respectively. Following Linnaeus, biologists use the planetary symbol for Venus to represent the female sex, and the planetary symbol for Mars to represent the male sex. Two interlocking female symbols (⚢) represent a lesbian or the lesbian community, and two interlocking male symbols (⚣) a gay male or the gay male community. These symbols first appeared in the 1970s. The combined male-female symbol (⚦) is used to represent androgyne or tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perfect Flower
Plant reproductive morphology is the study of the physical form and structure (the morphology) of those parts of plants directly or indirectly concerned with sexual reproduction. Among all living organisms, flowers, which are the reproductive structures of angiosperms, are the most varied physically and show a correspondingly great diversity in methods of reproduction. Plants that are not flowering plants (green algae, mosses, liverworts, hornworts, ferns and gymnosperms such as conifers) also have complex interplays between morphological adaptation and environmental factors in their sexual reproduction. The breeding system, or how the sperm from one plant fertilizes the ovum of another, depends on the reproductive morphology, and is the single most important determinant of the genetic structure of nonclonal plant populations. Christian Konrad Sprengel (1793) studied the reproduction of flowering plants and for the first time it was understood that the pollination process in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AIGA
The American Institute of Graphic Arts (AIGA) is a professional organization for design. Its members practice all forms of communication design, including graphic design, typography, interaction design, user experience, branding and identity. The organization's aim is to be the standard bearer for professional ethics and practices for the design profession. There are currently over 25,000 members and 72 chapters, and more than 200 student groups around the United States. In 2005, AIGA changed its name to “AIGA, the professional association for design,” dropping the "American Institute of Graphic Arts" to welcome all design disciplines. History In 1911, Frederic Goudy, Alfred Stieglitz, and W. A. Dwiggins came together to discuss the creation of an organization that was committed to individuals passionate about communication design. In 1913, president of the National Arts Club, John G. Agar, announced the formation of The American Institute of Graphic Arts during the eighth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portable Toilet
A portable or mobile toilet (colloquial terms: thunderbox, porta-john, porta-potty or porta-loo) is any type of toilet that can be moved around, some by one person, some by mechanical equipment such as a truck and crane. Most types do not require any pre-existing services or infrastructure, such as sewerage, and are completely self-contained. The portable toilet is used in a variety of situations, for example in urban slums of developing countries, at festivals, for camping, on boats, on construction sites, and at film locations and large outdoor gatherings where there are no other facilities. Most portable toilets are unisex single units with privacy ensured by a simple lock on the door. Some portable toilets are small molded plastic or fiberglass portable rooms with a lockable door and a receptacle to catch the human excreta in a container. A portable toilet is not connected to a hole in the ground (like a pit latrine), nor to a septic tank, nor is it plumbed into a municipa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Female Public Toilet Icon
An organism's sex is female (symbol: ♀) if it produces the ovum (egg cell), the type of gamete (sex cell) that fuses with the male gamete (sperm cell) during sexual reproduction. A female has larger gametes than a male. Females and males are results of the anisogamous reproduction system, wherein gametes are of different sizes (unlike isogamy where they are the same size). The exact mechanism of female gamete evolution remains unknown. In species that have males and females, sex-determination may be based on either sex chromosomes, or environmental conditions. Most female mammals, including female humans, have two X chromosomes. Characteristics of organisms with a female sex vary between different species, having different female reproductive systems, with some species showing characteristics secondary to the reproductive system, as with mammary glands in mammals. In humans, the word ''female'' can also be used to refer to gender in the social sense of gender role o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Male Public Toilet Icon
Male (symbol: ♂) is the sex of an organism that produces the gamete (sex cell) known as sperm, which fuses with the larger female gamete, or ovum, in the process of fertilisation. A male organism cannot reproduce sexually without access to at least one ovum from a female, but some organisms can reproduce both sexually and asexually. Most male mammals, including male humans, have a Y chromosome, which codes for the production of larger amounts of testosterone to develop male reproductive organs. In humans, the word ''male'' can also be used to refer to gender, in the social sense of gender role or gender identity. Overview The existence of separate sexes has evolved independently at different times and in different lineages, an example of convergent evolution. The repeated pattern is sexual reproduction in isogamous species with two or more mating types with gametes of identical form and behavior (but different at the molecular level) to anisogamous species with gamet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tuxedo
Black tie is a semi-formal Western dress code for evening events, originating in British and North American conventions for attire in the 19th century. In British English, the dress code is often referred to synecdochically by its principal element for men, the dinner suit or dinner jacket. In American English, the equivalent term tuxedo (or tux) is common. The dinner suit is a black, midnight blue or white two- or three-piece suit, distinguished by satin or grosgrain jacket lapels and similar stripes along the outseam of the trousers. It is worn with a white dress shirt with standing or turndown collar and link cuffs, a black bow tie, sometimes an evening waistcoat or a cummerbund, and black patent leather dress shoes or court pumps. Accessories may include a semi-formal homburg, bowler, or boater hat. In Britain, some individuals may rebel from the formal dress code by wearing coloured socks or a bow tie that is not black, such as red. For women, an evening g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Outhouse
An outhouse — known variously across the English-speaking world otherwise as bog, dunny, long-drop, or privy — is a small structure, separate from a main building, which covers a toilet. This is typically either a pit latrine or a bucket toilet, but other forms of dry toilet, dry (non-flushing) toilets may be encountered. The term may also be used to denote the toilet itself, not just the structure. Outhouses were in use in cities of Developed country, developed countries (e.g. Australia) well into the second half of the twentieth century. They are still common in rural areas and also in cities of developing countries. Outhouses that are covering pit latrines in densely populated areas can cause groundwater pollution. Design aspects Common features Outhouses vary in design and construction. They are by definition outside the dwelling, and are not connected to plumbing, Sanitary sewer, sewer, or septic system. The World Health Organization recommends they be built a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Rail
British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most rail transport in Great Britain from 1948 to 1997. Originally a trading brand of the Railway Executive of the British Transport Commission, it became an independent statutory corporation in January 1963, when it was formally renamed the British Railways Board. British Railways was formed on 1 January 1948 as a result of the Transport Act 1947, which nationalised the Big Four British railway companies along with some other (but not all) smaller railways. Profitability of the railways became a pressing concern during the 1950s, leading to multiple efforts to bolster performance, including some line closures. The 1955 Modernisation Plan formally directed a process of dieselisation and electrification to take place; accordingly, steam locomotives had been entirely replaced by diesel and electric traction (except for the narrow-gauge Vale of Rheidol Railway tourist lin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margaret Mead
Margaret Mead (December 16, 1901 – November 15, 1978) was an American cultural anthropologist, author and speaker, who appeared frequently in the mass media during the 1960s and the 1970s. She earned her bachelor's degree at Barnard College of Columbia University and her M.A. and Ph.D. degrees from Columbia. Mead served as president of the American Association for the Advancement of Science in 1975. Mead was a communicator of anthropology in modern American and Western culture and was often controversial as an academic. Her reports detailing the attitudes towards sex in South Pacific and Southeast Asian traditional cultures influenced the 1960s sexual revolution. She was a proponent of broadening sexual conventions within the context of Western cultural traditions. Early life and education Margaret Mead, the first of five children, was born in Philadelphia but raised in nearby Doylestown, Pennsylvania. Her father, Edward Sherwood Mead, was a professor of finance at th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pedigree Chart
A pedigree chart is a diagram that shows the occurrence of certain traits through different generations of a family, most commonly for humans, show dogs, and race horses. Definition The word pedigree is a corruption of the Anglo-Norman French ''pé de grue'' or "crane's foot", either because the typical lines and split lines (each split leading to different offspring of the one parent line) resemble the thin leg and foot of a Crane (bird), crane or because such a mark was used to denote succession in pedigree charts. A pedigree results in the presentation of family information in the form of an easily readable chart. It can be simply called a "family tree". Pedigrees use a standardized set of symbols, squares represent males and circles represent females. Pedigree construction is a family history, and details about an earlier generation may be uncertain as memories fade. If the sex of the person is unknown, a diamond is used. Someone with the phenotype (trait) in question is repre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
