endurance period
51Hazing — of French military pilot at 1,000 hours flight time Hazing is a term used to describe various ritual and other activities involving harassment, abuse or humiliation used as a way of initiating a person into a group. Hazing is seen in many… …
52Ultramarathon — A runner in the Bighorn Trail 50K Run An ultramarathon (also called ultra distance) is any sporting event involving running longer than the traditional marathon length of 42.195 kilometres (26.2188 mi). There are two types of ultramarathon… …
53Dreadnought — For other uses, see Dreadnought (disambiguation). The oldest remaining dreadnought, USS Texas, was launched in 1912 and is now a museum ship. The dreadnought was the predominant type of 20th century battleship. The first of the kind, the… …
54Eventing — The cross country phase Eventing (also known as horse trials) is an equestrian event comprising dressage, cross country, and show jumping. This event has its roots in a comprehensive cavalry test requiring mastery of several types of riding. The… …
55Angiogenesis — is a physiological process involving the growth of new blood vessels from pre existing vessels. Though there has been some debate over this, vasculogenesis is the term used for spontaneous blood vessel formation, and intussusception is the term… …
56Sports car racing — is a form of circuit auto racing with automobiles that have two seats and enclosed wheels. They may be purpose built or related to road going sports cars.A kind of hybrid between the purism of open wheelers and the familiarity of touring car… …
57Ironclad warship — An ironclad was a steam propelled warship of the later 19th century, protected by iron or steel armor plates. [Hill, Richard. War at Sea in the Ironclad Age ISBN 0 304 35273 X; p.17] The ironclad was developed as a result of the vulnerability of… …
58Tom Crean (explorer) — Infobox Person name= Tom Crean caption= Tom Crean with sled dog puppies, February 1915 birth date= birth date|1877|7|20|df=y birth place= Gurtuchrane, County Kerry, Ireland nationality = Irish dead=dead death date= death date and… …
59Protein (nutrient) — This article is about protein as a nutrient. For protein as a class of molecule, see protein. For other uses, see bodybuilding supplement. Amino acids are the building blocks of protein. Proteins are polymer chains made of amino acids linked… …
60Battle of Britain — This article is about the Second World War battle. For other uses, see Battle of Britain (disambiguation). Battle of Britain Part of the Second World War …
