were visualized as
11History of cartography — The Fra Mauro map, one of the greatest memorial of medieval cartography, was made around 1450 by the Venetian monk Fra Mauro. It is a circular world map drawn on parchment and set in a wooden frame, about two meters in diameter Cartography (from… …
12electromagnetism — /i lek troh mag ni tiz euhm/, n. 1. the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents. 2. Also, electromagnetics. the science that deals with these phenomena.… …
13dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
14John F. Kennedy autopsy — The autopsy of President John F. Kennedy was performed, beginning at about 8 p.m. and ending at about midnight EST, on Nov. 22, 1963, the day of his assassination, at the then Bethesda Naval Hospital in Bethesda, Maryland. The choice of autopsy… …
15Universe — For other uses, see Universe (disambiguation). Physical cosmology …
16Molecular models of DNA — While this purified DNA precipitated in a water jug (left) appears to be a formless mass, nucleic acids actually possess intricate structure at the nanoscale (right). M …
17Synesthesia — For other uses, see Synesthesia (disambiguation). How someone with synesthesia might perceive certain letters and numbers. Synesthesia (also spelled synæsthesia or synaesthesia, plural synesthesiae or synaesthesiae), from the ancient Greek σύν… …
18List of Cluedo characters — The board game Cluedo (Clue in North America) and the associated 1985 film Clue, contains six murder suspects, all of whom survived into the final 2002 edition of the game. They typically represent types, or stock characters, of European and… …
19Astrocyte — For the cell in the gastrointestinal tract, see Interstitial cell of Cajal. Neuron: Astrocyte Astrocytes can be visualized in culture because they express glial fibrillary acidic protein …
20Charles Philippe Leblond — Charles Philippe Leblond, Canadian biologist Born February 5, 1910 Lille, France …
