Unnamed: 0 int64 7 676k | text stringlengths 7 10.9k | title stringlengths 3 112 | course_id int64 0 15.1k |
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675,526 | Johannes Heinrich Matthaei (born 4 May 1929) is a German biochemist. He is best known for his unique contribution to solving the genetic code on 15 May 1961.
Career
Whilst a post-doctoral visitor in the laboratory of Marshall Warren Nirenberg at the NIH in Bethesda, Maryland, he discovered that a synthetic RNA polyn... | J. Heinrich Matthaei | 15,127 |
675,548 | Hugh Robinson Whitehead (11 November 1899 – 13 March 1983) was a New Zealand biochemist, microbiologist and scientific administrator. He was born in Leeds, Yorkshire, England, in 1899. He was the director of the Dairy Research Institute in Palmerston North, which is now the Fonterra Research and Development Centre | Hugh Whitehead (scientist) | 5 |
675,562 | David Hungerford Ashton OAM (6 July 1927 – 22 November 2005) was an Australian botanist and ecologist. He was the world expert on Eucalyptus regnans forests, claimed to be the most important timber species in Australia.
Ashton was born in Melbourne | David Ashton (botanist) | 9 |
675,585 | Teodor Bordeianu (February 16 1902 – March 19 1969) was a Romanian agronomist and pomologist who was a member of the Romanian Academy. He was born in the village of Marșenița, which is today in Ukraine, and died in Bucharest, Romania.
References
http://www | Teodor Bordeianu | 5 |
675,594 | John Buchanan (13 October 1819 – 1898) was a New Zealand botanist and scientific artist. He was a fellow of the Linnean Society.
Biography
Buchanan was born in Dunbartonshire, Scotland, and in his early life apprenticed as a calico pattern designer | John Buchanan (botanist) | 5 |
675,600 | In writing and typography, a ligature occurs where two or more graphemes or letters are joined to form a single glyph. Examples are the characters æ and œ used in English and French, in which the letters 'a' and 'e' are joined for the first ligature and the letters 'o' and 'e' are joined for the second ligature. For ... | Ligature (writing) | 0 |
675,606 | Guillemets (, also UK: , US: , French: [ɡijəmɛ]) are a pair of punctuation marks in the form of sideways double chevrons, « and », used as quotation marks in a number of languages. In some of these languages, "single" guillemets, ‹ and ›, are used for a quotation inside another quotation. Guillemets are not conventio... | Guillemet | 15,003 |
675,619 | A macron () is a diacritical mark: it is a straight bar ¯ placed above a letter, usually a vowel. Its name derives from Ancient Greek μακρόν (makrón) 'long' because it was originally used to mark long or heavy syllables in Greco-Roman metrics. It now more often marks a long vowel | Macron (diacritic) | 9 |
675,621 | Mu (uppercase Μ, lowercase μ; Ancient Greek μῦ [mŷː], Greek: μι or μυ—both [mi]) is the twelfth letter of the Greek alphabet, representing the voiced bilabial nasal IPA: [m]. In the system of Greek numerals it has a value of 40. Mu was derived from the Egyptian hieroglyphic symbol for water, which had been simplifie... | Mu (letter) | 9 |
675,645 | Guillemets (, also UK: , US: , French: [ɡijəmɛ]) are a pair of punctuation marks in the form of sideways double chevrons, « and », used as quotation marks in a number of languages. In some of these languages, "single" guillemets, ‹ and ›, are used for a quotation inside another quotation. Guillemets are not conventio... | Guillemet | 15,003 |
675,660 | The slash is the oblique slanting line punctuation mark /. Also known as a stroke, a solidus, a forward slash or several other historical or technical names including oblique and virgule. Once used to mark periods and commas, the slash is now used to represent division and fractions, exclusive 'or' and inclusive 'or... | Slash (punctuation) | 9 |
675,661 | A macron () is a diacritical mark: it is a straight bar ¯ placed above a letter, usually a vowel. Its name derives from Ancient Greek μακρόν (makrón) 'long' because it was originally used to mark long or heavy syllables in Greco-Roman metrics. It now more often marks a long vowel | Macron (diacritic) | 9 |
675,662 | In mathematics, a square is the result of multiplying a number by itself. The verb "to square" is used to denote this operation. Squaring is the same as raising to the power 2, and is denoted by a superscript 2; for instance, the square of 3 may be written as 32, which is the number 9 | Square (algebra) | 9 |
675,663 | In arithmetic and algebra, the cube of a number n is its third power, that is, the result of multiplying three instances of n together.
The cube of a number or any other mathematical expression is denoted by a superscript 3, for example 23 = 8 or (x + 1)3.
The cube is also the number multiplied by its square:
n3 = n... | Cube (algebra) | 9 |
675,666 | Diacritical marks of two dots ¨, placed side-by-side over or under a letter, are used in a number of languages for several different purposes. The most familiar to English-language speakers are the diaeresis and the umlaut, though there are numerous others. For example, in Albanian, ë represents a schwa | Two dots (diacritic) | 9 |
675,674 | Microdata is a WHATWG HTML specification used to nest metadata within existing content on web pages. Search engines, web crawlers, and browsers can extract and process Microdata from a web page and use it to provide a richer browsing experience for users. Search engines benefit greatly from direct access to this stru... | Microdata (HTML) | 15,006 |
675,678 | S5 (Simple Standards-Based Slide Show System) is an XHTML-based file format for defining slideshows. It was created by Eric A. Meyer as an alternative to the browser-centric Opera Show Format | S5 (file format) | 4 |
675,679 | Schema. org is a reference website that publishes documentation and guidelines for using structured data mark-up on web-pages (called microdata). Its main objective is to standardize HTML tags to be used by webmasters for creating rich results (displayed as visual data or infographic tables on search engine results) a... | Schema.org | 15,003 |
675,680 | In the semantic web, Simple HTML Ontology Extensions are a small set of HTML extensions designed to give web pages semantic meaning by allowing information such as class, subclass and property relationships.
SHOE was developed around 1996 by Sean Luke, Lee Spector, James Hendler, Jeff Heflin, and David Rager at the U... | Simple HTML Ontology Extensions | 15,006 |
675,682 | XOXO (eXtensible Open XHTML Outlines) for web syndication is an XML microformat for outlines built on top of XHTML. Developed by several authors as an attempt to reuse XHTML building blocks instead of inventing unnecessary new XML elements/attributes, XOXO is based on existing conventions for publishing outlines, list... | XOXO (microformat) | 9 |
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