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The first sentence should provide links to the broader or more elementary topics that are important to the article's topic or place it into the context where it is notable. For example, an article about a building or location should include a link to the broader geographical area of which it is a part.
The following outline is provided as a topical overview of science; the discipline of science is defined as both the systematic effort of acquiring knowledge through observation, experimentation and reasoning, and the body of knowledge thus acquired, the word "science" derives from the Latin word scientia meaning knowledge.
Example of the early Greek symbol for zero (lower right corner) from a 2nd-century papyrus 499: Aryabhata gives a new symbol for zero and uses it for the decimal system. 499: Aryabhata discovers the formula for the square-pyramidal numbers (the sums of consecutive square numbers).
[109] [110] [111] Sir John Marshall described the Sanchi relief as "the earliest example by some five centuries of the use of stirrups in any part of the world". [111] In the 1st century CE horse riders in northern India, where winters are sometimes long and cold, were recorded to have their booted feet attached to hooked stirrups. [ 106 ]
The scientists working on the two research projects decided to publish their work at the same time when they realized they had separately reached a similar conclusion.
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The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...