mean testing duration
61Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) …
62Sun — This article is about the star. For other uses, see Sun (disambiguation). The Sun …
63General intelligence factor — The general intelligence factor (abbreviated g ) is a controversial construct used in the field of psychology ( see also psychometrics ) to quantify what is common to the scores of all intelligence tests. Charles Spearman, early psychometrician,… …
64Survival analysis — is a branch of statistics which deals with death in biological organisms and failure in mechanical systems. This topic is called reliability theory or reliability analysis in engineering, and duration analysis or duration modeling in economics or …
65Predictive analytics — encompasses a variety of techniques from statistics and data mining that analyze current and historical data to make predictions about future events. Such predictions rarely take the form of absolute statements, and are more likely to be… …
66Hockey stick controversy — The hockey stick controversy is a dispute over the reconstructed estimates of Northern Hemisphere mean temperature changes over the past millennium, [cite web | publisher=Realclimate | title=Hockey Stick | date=2004 11 28 |… …
67death — /deth/, n. 1. the act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism. Cf. brain death. 2. an instance of this: a death in the family; letters published after his death. 3. the state of being …
68endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
69Epidural — This article is about the anaesthetic technique. For the anatomical site, see Epidural space. For other uses, see Epidural (disambiguation). Did you mean Epidural hematoma, a type of traumatic brain injury? Epidural Intervention …
70Median lethal dose — This article is about the toxicological term. For the album by Mudvayne, see L.D. 50 (album). For other uses, see LD50 (disambiguation). In toxicology, the median lethal dose, LD50 (abbreviation for “Lethal Dose, 50%”), LC50 (Lethal Concentration …
