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- Galileo Galilei (33761 bytes)
2: ...Galilei''' ([[Pisa]], [[February 15]], [[1564]] – [[Arcetri]], [[January 8]], [[1642]]), was a [...
14: Later research, however, has validated the experiments. The experiments on falling bo...
26: ...e little doubt that both of them were beaten by [[David Fabricius]] and his son [[Johannes Fabricius|J...
39: ...y'' unless a [[force]] —often [[friction]]— acts upon them, refuting the accepted Aristote...
53: ...athematical methods were the standard ones of the day. The analyses and proofs relied heavily on the [... - Isaac Newton (23339 bytes)
2: ...sh; [[31 March]] [[1727]] by the [[Gregorian calendar]]) was an [[English (people)|English]] [[physici...
19: ...eventually became engaged to the apothecary's stepdaughter, Anne Storey, before he went off to [[Cambr...
25: ..., to illustrate how he drew inspiration from everyday events.
31: ...]]. Any fellow of Cambridge or Oxford had to be ordained at the time. However the terms of the Lucasia...
38: ... at its rear side, dispassionately noting "white, darke & coloured circles" so long as he kept stirrin... - India (27950 bytes)
46: ...]] and with several mostly-regional parties. The NDA, led by the BJP, currently forms the main opposit...
53: ... two scientific bases in [[Antarctica]] – [[Dakshin Gangotri]] and [[Maitri]], but has made no t...
61: ...]]), the [[Brahmaputra]], the [[Yamuna]], the [[Godavari]], and the [[Krishna River|Krishna]]. The riv...
79: ...ion within the highly diverse Indian population today. Its biggest [[metropolitan]] agglomerations are...
93: ...nity in [[Sikkim]] during the Buddhist New Year — [[Losar]].]] - Johannes Kepler (17038 bytes)
2: ...''Johannes Kepler''' ([[December 27]], [[1571]] – [[November 15]], [[1630]]), a key figure in th...
9: ...hen Johannes was 17. His mother, an inn-keeper's daughter, had a reputation for involvement in [[witc...
33: ...on was inconsistent with that data. Using Tycho's data, Kepler was able to formulate three laws of pla...
35: ...he five intervals between the six known planets — [[Mercury (planet)|Mercury]], [[Venus (planet)...
40: ...lids. Of these there are five: when viewed as boundaries, however, these five determine six distinct t... - Francis Bacon (16741 bytes)
2: ...Viscount St Albans''' ([[January 22]], [[1561]] – [[April 9]], [[1626]]) was an [[England|Englis...
8: ...mber of the Reformed or [[Puritan]] Church, and a daughter of Sir Anthony Cooke, whose sister married ...
25: ...]ship fell vacant in 1594 and Bacon became a candidate for the office, Lord Essex's influence could no...
31: ...ment session Bacon married [[Alice Barnham]], the daughter of a London merchant. Little or nothing is ...
37: ...re (which was that he should be released in a few days), and to be incapable of holding office or sitt... - Microscope (8708 bytes)
3: ...of microscope—and the first to be invented—is the '''optical microscope'''. This is an [[o...
8: A '''simple microscope''', as opposed to a standard compound microscope (see below) with multiple l...
11: ...m—as used by [[Robert Hooke]], for example—the compound microscope would have a single gla...
34: ...ethods|contrast methods]]).'' Typically, on a standard compound optical microscope, there are three ob...
54: ...he Huygens ocular is still being produced to this day, but suffers from a small field size, and the ey... - Ribosome (4897 bytes)
9: ...ructure and function of ribosomes, and their attendant molecules, known as the ''translational apparat... - Mitochondrion (10103 bytes)
9: ...e spectrum, the mitochondria can resemble the standard sausage-shaped organelle pictured to the right,...
11: ... encloses the organelle, serving as its outer boundary. The inner mitochondrial membrane is thrown int...
16: ...ion]] of [[epinephrine]] (adrenaline), the [[degradation]] of [[tryptophan]], and the elongation of [[...
51: ...ductase]], [[Cytochrome_c_oxidase|cytochrome c oxidase]]) that perform the transfer use the released e...
58: ...genetics]] and [[evolutionary biology]] often use data from mitochondrial DNA sequences to draw conclu... - World War II (58065 bytes)
4: ...ses of the war]] are a matter of debate. On which date the war began is also debated, cited as either ...
6: ...an surrendered]] on [[15 August]] [[1945]] ([[V-J Day]]).
8: ...ee. [[Atomic weapon]]s, [[jet aircraft]], and [[RADAR]] are only a few of many [[Technology during Wor...
10: ...y as the [[Warsaw pact]], alliances which were fundamental to the ensuing [[Cold War]]. In Asia, the U...
18: ...id they supply the Axis powers with any great abundance of troops or supplies. - Tornado (14220 bytes)
8: ...the tail end of [[mesocyclone]]s. On [[weather radar]] screens, a characteristic "[[hook echo]]" mark...
14: Tornado damage to man-made structures is the result of high ...
21: ...http://www.usatoday.com/weather/wspouts.htm USA Today article on waterspouts]
25: ...Florida]], although most of the tornadoes in Florida are either '''F0''', '''F1''', or [[waterspouts]]...
27: ...s]] in [[damage]]. The last killer tornado in Canada struck [[Pine Lake, Alberta|Pine Lake]], [[Albert... - Season (10047 bytes)
13: ...rotation on its axis), the [[North Pole]] will be dark, and the [[South Pole]] will be illuminated; se...
28: ...y of temperature records over the past 300 years (David Thompson, ''SCIENCE'', April 1995) shows that ...
30: ==Polar day and night==
34: ...ly thought to last uninterrupted for 183 calendar days each. This is true only in the immediate region...
36: ...wn glow on the horizon, for increasing hours each day, for more than a month before that first sliver ... - Aristotle (37648 bytes)
3: ...a;ριστοτέλης
4: Aristotelēs) ([[384 BC]] – [[March 7]], [[322 BC]]) was an [[ancient Gree...
8: ...[[presocratic]] [[Greek philosophy]] into the foundations of [[Western philosophy]] as we know it. Soc...
10: ...hysics, reason, knowledge and human life. The fundamental idea is that knowledge gained through the s...
12: ...rvived. The works of Aristotle that still exist today are in treatise form and were, for the most part... - John Locke (14749 bytes)
3: ...led the [[British Empiricists]], which includes [[David Hume]] and [[George Berkeley]]. Locke is perha...
22: ...ays express ideas that match those of the present day.
27: ...lly published in December 1689. Though the exact dates of the composition of the ''Two Treatises'' ar...
31: ....viii.10) such as "red" and "sweet." These ''secondary qualities'', Locke claims, are dependent on the...
41: ...rom the works of both Locke and [[Charles de Secondat, Baron de Montesquieu|Montesquieu]]. - Paleontology (5646 bytes)
5: ...n, and how these mutual responses have affected today's patterns of [[biodiversity]]. So paleontology ...
17: ...t lifeforms. The organized study of paleontology dates from the late 18th century.
24: ...lude [[Steven Stanley]], [[Stephen Jay Gould]], [[David Raup]], [[Geerat Vermeij]], and [[Jack Sepkosk...
29: ...tory processing, identification of taxa and other data collection, systematic description of new speci... - Erosion (6998 bytes)
6: ...eservoirs with [[sediment]], reducing [[Soil degradation|soil fertility]] and [[water quality]]. - Evolution (27661 bytes)
1: [[Image:Charles Darwin.jpg|right|frame|[[Charles Darwin]], father of the theory of evolution by [[nat...
6: ...[1930s]], work by a number of scientists combined Darwinian natural selection with the re-discovered t...
18: ..., but rather exist in a reciprocal relationship — for example, it is a "fact" that an [[apple]] ...
31: ...even those which do not fly — have wings. Today, the theory of evolution has been strongly confi...
33: ...; the generation of life from non-living matter — has never been observed, indicating that the [... - Venus (planet) (31010 bytes)
3: ...the "[[Evening Star]]", and when it is visible in dark skies it is by far the brightest [[star]]-like ...
5: ...vilization (the Mayans developed a religious calendar based on Venus's motion) and must have been know...
14: ... the upper atmosphere circle the planet in only 4 days, helping to distribute the heat.
18: ...ture, listed in the table, refers to cloud tops — the surface temperature is never below 400°...
21: [[Image:Venus globe.jpg|thumb|left|[[Radar]] image of the surface of Venus, centered at 180... - Mars (27704 bytes)
8: ... land because Mars lacks [[ocean]]s). The [[solar day]] on Mars is almost the same length as it is on ...
27: ...Mare Sirenum]] and [[Aurorae Sinus]]. The largest dark feature seen from Earth is [[Syrtis Major]].
31: ...las impact basin at an altitude of 4 km below the datum). In comparison, the difference between Earth'...
39: ... [[mean gravity surface]] must be selected. The [[datum]] for Mars is defined by the fourth-degree and...
41: ...e line of Beer and M䤬er, was chosen by [[Merton Davies]] of the [[RAND Corporation]] to provide a mo... - Saturn (planet) (23300 bytes)
147: ...'' has a period of 10 h 14 min 00 s (844.3°/[[day|d]]) and encompasses the Equatorial Zone, which ...
165: ...rmed out of. This theory is not widely accepted today, since Saturn's rings are thought to be unstable...
169: ===The dark side of the rings===
175: ...1]], [[1979]]; Backlit rings, showing the overall darkness of the rings from this angle. The thickest...
176: ...acklit rings in detail. The thick B ring appears darkest from this side.]] - Pluto (planet) (26470 bytes)
124: ...1930]]. The planet was later found on photographs dating back to [[March 19]], [[1915]]. Tombaugh was ...
126: ...ules]]'', ''[[Icarus (mythology)|Icarus]]'', ''[[Idana]]'', ''[[Odin]]'', ''[[Pax (mythology)|Pax]]'',...
128: ...anet in the [[Times]] newspaper. He asked his grandaughter what she thought would be good name for it....
136: ...s diameter is now known since telescopes using [[adaptive optics]] can resolve its disk.
153: ... among planets in that they are [[Tidal locking|tidally locked]] to each other. This means that Charon...
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