according to sample
41Hung Up — Hung Up …
42Unemployment — World unemployment rates[1] as of January 2009[update] Unemployment (or …
43Raven paradox — The Raven paradox, also known as Hempel s paradox or Hempel s ravens is a paradox proposed by the German logician Carl Gustav Hempel in the 1940s to illustrate a problem where inductive logic violates intuition. It reveals the problem of… …
44Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …
45LGBT parenting — refers to lesbian, gay, bisexual, and transgender (LGBT) people parenting one or more children. This includes children raised by same sex couples (same sex parenting), children raised by single LGBT parents, and children raised by an opposite sex …
46animal learning — ▪ zoology Introduction the alternation of behaviour as a result of individual experience. When an organism can perceive and change its behaviour, it is said to learn. That animals can learn seems to go without saying. The cat that… …
47Illmatic — Illmatic …
48Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
49Countdown (Beyoncé Knowles song) — Countdown Single by Beyoncé from the album 4 Released Octob …
50Single bullet theory — The Single Bullet Theory (or Magic Bullet Theory, as it is commonly called by its critics) was introduced by the Warren Commission to explain how three shots made by Lee Harvey Oswald resulted in the assassination of United States President John… …
