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  1. Hace 4 días · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations.

  2. Hace 5 días · Confirmation bias (also confirmatory bias, myside bias, [a] or congeniality bias [2]) is the tendency to search for, interpret, favor, and recall information in a way that confirms or supports one's prior beliefs or values. [3] .

  3. Hace 1 día · Unidentified flying object (UFO), any aerial object or optical phenomenon not readily identifiable to the observer. UFOs became a major subject of interest following the development of rocketry after World War II and were thought by some researchers to be intelligent extraterrestrial life visiting Earth.

  4. Hace 4 días · The history of life recorded by fossils presents compelling evidence of evolution. evolution of the horse. Evolution of the horse over the past 55 million years. The present-day Przewalski's horse is believed to be the only remaining example of a wild horse—i.e., the last remaining modern horse to have evolved by natural selection.

  5. Hace 4 días · There are two parts of the Fermi paradox that rely on empirical evidence—that there are many potentially habitable planets, and that humans see no evidence of life.

  6. Hace 5 días · Assessment of what is already known about a policy or practice issue, by using systematic review methods to search and critically appraise existing research. Completeness of searching determined by time constraints. Time-limited formal quality assessment. Typically narrative and tabular.

  7. Hace 6 días · Find a systematic review on a topic similar to yours and see what grey literature sources they used. You can find existing systematic reviews in subject databases, The Campbell Library, and the Cochrane Library.