A cycle (Latin "cyclus," from Greek "kuklos" meaning circle) is anything round, in the physical sense (e.g. a bicycle) or in a temporal sense (e.g. the cycle of the seasons). Cyclic or cyclical are the adjective forms. Pages about cycles include: Cycle studies for interdisciplinary cycle research. See also Foundation for the Study of Cycles and list of cycles Cycle - Sports. Hitting for the cycle in Baseball The Paris-Roubaix Cycle Race. Including:

• Cycle - Sports
• Cycle - Arts
• Cycle - History
• Cycle - Culture
• Cycle - Science
• Cycle - Astronomy
• Cycle - Biology
• Cycle - Chemistry
• Cycle - Physics
• Cycle - Geology
• Cycle - Meteorology
• Cycle - Engineering
• Cycle - Mathematics
• Cycle - Computer science
• Cycle - Military science
• Cycle - Political science
• Cycle - Business
• Cycle - Finance
• Cycle - Telecommunication
• Cycle - Crime

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Including:

• -cycle - Transport
• -cycle - Measurement

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Cycling is a recreation, a sport, and a means of transport across land. It involves riding bicycles, unicycles, tricycles, and other human powered vehicles (HPVs). As a sport it is governed internationally by the Union Cycliste Internationale in Switzerland (for upright bicycles) and by the International Human Powered Vehicle Association (for other HPVs). Cycling for transport and touring is promoted on a European level by the European Cyclists' Federation, and regular conferences are held under the auspices of Velo City, whereas glob ...

Including:

• Cycling - Getting started
• Cycling - Organized rides and races

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Cycle - Astronomy. The eclipse cycle and the Saros cycle. The solar cycle related to sunspots. The full moon cycle. The Metonic cycle in calendars. The Sothic cycle in the ancient Egyptian calendar. The Great year related to the precession of the equinoxes. Cycle - Biology. The life cycle; The reproductive cycle; The cell cycle; The sleep cycle; Th ...

See also:

Cycle, Cycle - Sports, Cycle - Arts, Cycle - History, Cycle - Culture, Cycle - Science, Cycle - Astronomy, Cycle - Biology, Cycle - Chemistry, Cycle - Physics, Cycle - Geology, Cycle - Meteorology, Cycle - Engineering, Cycle - Mathematics, Cycle - Computer science, Cycle - Military science, Cycle - Political science, Cycle - Business, Cycle - Finance, Cycle - Telecommunication, Cycle - Crime

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The Cycle of Violence, is a cycle which shows what usually happens in an abusive relationship. The cycle can happen hundreds of times in an abusive relationship. Each stage lasts a different amount of time in a relationship. The total cycle can take anywhere from a few hours to a year or more to complete. It is important to remember that not all domestic violence relationships fit the cycle. Often, as time goes on, the "making-up" and "calm" stages disappear Cycle of violence - Cycle of Violence. ...

Including:

• Cycle of violence - Cycle of Violence

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The anovulatory cycle is a menstrual cycle characterized by varying degrees of menstrual intervals and the absence of ovulation and a luteal phase. In the absence of ovulation, there will be infertility. Other related archivesinfertility, luteal phase, menstrual cycle, ovulation

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Cycling shorts are shorts designed for cycling. Historically cycling shorts have been made of black wool and had a leather chamois. Most modern cycling shorts are made of lycra and contain a synthetic chamois in the seat and crotch area. They are usually worn without underwear. The function of the chamois is to absorb moisture, thus preventing chaffing and rashes, thereby increasing a cyclist's comfort and endurance. ...

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In music a cycle is a section which is repeated or repeatable indefinitely, with the end of a preceding repetition leading to the beginning of a succeeding repetition. Cycles may be melodic, harmonic, or rhythmic and are used in isorhythm, Indonesian music, and minimalist music. Ostinatos are often cyclic, such as the ground bass, as are many chord progressions, such as the twelve bar blues. Cycles may also begin at any point in a composition or in relation to each other, contain or c ...

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The Childe Cycle is a series of science fiction novels by Gordon R. Dickson. The name Childe Cycle is an allusion to "Childe Roland to the Dark Tower Came", a poem by Robert Browning, which provided considerable inspiration for elements in Dickson's magnum opus. While, on the face of it, the Childe Cycle is a science fiction series, it is also an allegory. In addition to the six science fiction novels of the Cycle, Dickson had also planned three historical novels and three novels taking place in the present day. It is kn ...

Including:

• Childe Cycle - The Books of the Cycle
• Childe Cycle - The Splinter Cultures
• Childe Cycle - The Plot of the Cycle
• Childe Cycle - Technology of the Cycle

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A Vicious Cycle is a cycle in which one problem leads to another, which in turn aggravates the first problem. Vicious cycle - Also See. Vicious Cycle Software - Video game development company Virtuous and Vicious Circles - Economics ...

Including:

• Vicious cycle - Also See

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Edward R Dewey gave the name "cycle synchrony" to his discovery that certain commonly reported cycle periods from different disciplines also often had the same phase. Occasionally the phase was opposite which can be caused by the choice of variable such as bond prices instead of interest rates. Other related archivesEdward R Dewey, cycle, phase

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Cycling shoes are shoes designed for cycling. They come in a variety of designs depending on the type and intensity of the cycling for which they are intended. Modern cycling shoes include hollowed or perforated sections to easily insert cleats for clipless pedal systems such as Shimano's SPD (Shiamno Pedaling Dynamics) and LOOK. Shoes for road cycling have an extremely smooth, rigid and inflexible sole, bent slightly at the ball of the foot to allow power to be transferred and focused in the toe. The quality of t ...

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Volsung Cycle The Volsung Cycle is the name of a series of Germanic legends based on the same matter as Niebelungenlied, and which were recorded in medieval Iceland. The Icelandic matter is, however, greatly expanded with native Scandinavian traditions, such as that of Helgi Hundingsbane, which originally appears to have been a separate tradition, that of the Ylfings. See also. Tyrfing Cycle Norse mythology< ...

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The menstrual cycle is the set of recurring physiological changes in a female's body that are under the control of the reproductive hormone system and necessary for reproduction. In women, menstrual cycles occur typically on a monthly basis between puberty and menopause. Besides humans, only other great apes exhibit menstrual cycles, in contrast to the estrus cycle of most mammalian species. During the menstrual cycle, the sexually mature female body releases one egg (or occasionally two, which might result in dizygotic, or non ...

Including:

• Menstrual cycle - The normal menstrual cycle in humans
• Menstrual cycle - Menstruation
• Menstrual cycle - Follicular phase
• Menstrual cycle - Ovulation
• Menstrual cycle - Luteal phase
• Menstrual cycle - Menstrual symptoms
• Menstrual cycle - The fertile window
• Menstrual cycle - Hormonal control
• Menstrual cycle - Hidden ovulation
• Menstrual cycle - The ovary as an egg-bank
• Menstrual cycle - The anovulatory menstrual cycle
• Menstrual cycle - Cycle abnormalities
• Menstrual cycle - Frequency
• Menstrual cycle - Flow
• Menstrual cycle - Duration
• Menstrual cycle - The birth control pill
• Menstrual cycle - Etymology and the lunar month
• Menstrual cycle - Menstrual products
• Menstrual cycle - Debate
• Menstrual cycle - Culture and menstruation
• Menstrual cycle - Mysticism
• Menstrual cycle - Religion
• Menstrual cycle - Menstruation in other mammals
• Menstrual cycle - Notes

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In ecology, a biogeochemical cycle is a circuit or pathway by which a chemical element or molecule moves through both biotic ("bio-") and abiotic ("geo-") compartments of an ecosystem. In effect, the element is recycled, although in some such cycles there may be places (called "sinks") where the element is accumulated or held for a long period of time. All chemical elements occurring in organisms are part of biogeochemical cycles. In addition to being a part of living organisms, these chemical elements also cycle through abioti ...

Including:

• Biogeochemical cycle - Nitrogen Cycle: A quick Summary

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The Atkinson cycle engine is a type of Internal combustion engine invented by James Atkinson in 1882. The Atkinson cycle is designed to provide efficiency at the expense of power. The Atkinson cycle allows the intake, compression, power, and exhaust strokes of the four-stroke cycle to occur in a single turn of the crankshaft. Owing to the linkage, the expansion ratio is greater than the compression ratio, leading to greater efficienc ...

Including:

• Atkinson cycle - External link

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The cell cycle, or cell division cycle, is the cycle of events in a eukaryotic cell from one cell division to the next. It consists of interphase, mitosis, and usually cell division. The cell cycle is regulated by cyclins and cyclin-dependent kinases. Leland H. Hartwell, R. Timothy Hunt, and Paul M. Nurse won the 2001 Nobel Prize in Physiology or Medicine for their discovery of these centr ...

Including:

• Cell cycle - Phases

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The urea cycle is a cycle of biochemical reactions occurring in many animal organisms that produces urea from NH4+. This cycle, also known as ornithine cycle, was the first metabolic cycle discovered (Krebs and Hensenleit, 1932). Urea is much less toxic than ammonia; therefore, organisms that cannot easily and quickly remove ammonia usually have to convert it to some other substance, like urea or uric acid. Insufficiency of the urea cycle occurs in some genetic disorders (inborn errors of metabolism), and ...

Including:

• Urea cycle - Reactions
• Urea cycle - Regulation
• Urea cycle - NAcGlu
• Urea cycle - Substrate concentrations

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Vehicular Cycling (VC) is the practice of bicycling visibly and predictably on roads in accordance with the rules of the road for operating a vehicle. Under the international Vienna Convention on Road Traffic (1968), a bicycle (or "cycle", as referenced by the convention) is defined to be a vehicle and a cyclist is considered to be a driver. In a minority of jurisdictions (the states of AZ, CA, IA, IL, IN, MI, NY in the USA [1]), ...

Including:

• Vehicular cycling - Principle
• Vehicular cycling - Origins of Vehicular Cycling
• Vehicular cycling - Using the full lane
• Vehicular cycling - Destination and Speed Positioning
• Vehicular cycling - Looking Back
• Vehicular cycling - Negotiation
• Vehicular cycling - The VC Attitude
• Vehicular cycling - Common Misconceptions About VC
• Vehicular cycling - VC is cycling as if you're a car
• Vehicular cycling - VC is needlessly blocking cars
• Vehicular cycling - VC means not riding in bicycle lanes
• Vehicular cycling - VC means you have to follow the letter of the law
• Vehicular cycling - VC Authoritative Sources
• Vehicular cycling - VC Alternatives
• Vehicular cycling - VC Education
• Vehicular cycling - VC Advocacy
• Vehicular cycling - Footnotes
• Vehicular cycling - Bibliography

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The Calvin cycle (or Calvin-Benson cycle) is a series of biochemical reactions that takes place in the chloroplasts of photosynthetic organisms. It was discovered by Melvin Calvin and Andrew Benson at the University of California, Berkeley. James Bassham also made important contributions to elucidating this pathway. It is one of the light-independent reactions and occurs in the stroma. During photosynthesis, light energy is used to generate chemical free energy, stored in ATP and NADPH. The light-independent Calvin ("dar ...

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