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- Steel (28384 bytes)
2: [[Image:Steel framework.jpg|thumb|300px|Steel framework]]
3: ...s, which are naturally arranged in a [[lattice]], from sliding past one another. Varying the amount of...
8: ...rtant that smelting take place in a fairly oxygen-free environment. Unlike copper and tin, liquid iro...
11: ...ite-ferrite mixture. Cementite is a stochiometric phase with the chemical formula of Fe<sub>3</sub>C. Cem...
17: ...n this case, expansion occurs. Internal stresses from this expansion generally take the form of [[com... - Immune system (14564 bytes)
1: ...he [[organ system]] that protects an [[organism]] from outside biological influences. In the broad sen...
6: ...sequences, and enzymes that protect their own DNA from this enzyme by [[methylation|methylating]] the ...
11: ...] and [[autoimmune disorder|autoimmunity]]) arise from failures of discriminatory systems.
23: ...owever, most organisms are under constant assault from pathogens, which must be kept in check by the f...
31: ...s. Macrophages are thought to mature continuously from circulating [[monocyte]]s. - Biological life cycle (3738 bytes)
1: ...ature the alternating [[haploid]] and [[diploid]] phases (''n'' and ''2n''). The haploid organism becomes...
3: ... meiosis events ('''diplobiontic'''): one in each phase.
9: ...opposite types of gametes (e.g., male and female) from these individuals or cells fuse to become a zyg...
11: ... diploid cell; mitosis occurs only in the haploid phase.
22: ...dividual or a group of more diploid cells. Cells from the diploid individuals then undergo meiosis to... - Chromosome (12667 bytes)
1: ...e two identical parts of the chromosome after [[S phase]]. (2) <font color="#FF0000">Centromere</font>. T...
5: ...e [[centromere]], with one or two arms projecting from the centromere. The ends of the chromosomes are...
17: ...cule are now present) (5) Chromosome during [[metaphase]].]]
37: <td>[[Drosophila melanogaster|Fruit fly]]</td>
122: ...ate new chromosomes that are not inherited solely from either parent. When a male and a female gamete ... - Ceramics (15941 bytes)
1: ...usands of years, involves the creation of objects from clay and other ceramic materials. This article ...
7: ...his art form encompasses the creation of anything from earthenware and porcelain to decorative tiles a...
39: ... the longevity of ceramic products make it an eco-friendly choice in an age of disposable products and...
46: The word '''''ceramic''''' is derived from the [[Greek language|Greek]] word Κ&epsil...
57: ...ve furnaces, a commonly used abrasive, and as a refractory material. - Aristarchus (4292 bytes)
9: ...rth. This is the common account as you have heard from astronomers. But Aristarchus has brought out a ...
11: ...apparently quite strong, as the following passage from [[Plutarch]] suggests (''On the Apparent Face i...
21: ...iameters must be in proportion to their distances from Earth. He thus concluded that the Sun was 20 ti... - History of ancient Egypt (28563 bytes)
29: ...d grassy plains and temporary lakes that resulted from seasonal rains. The people who settled there mu...
31: ...xture of [[Europe]]an, [[Middle East]]ern, and [[Africa]]n''").
48: ...retation of the process. Poorly embalmed bodies (from the Late Period) are often black and very britt...
50: ...erent way to treat your Pharaoh. The answer came from the [[Nile]].
54: ...es. They became so good at this that one example from the [[Fifth dynasty of Egypt|5th Dynasty]] of a... - Plate tectonics (27764 bytes)
3: ...nst one another), divergent (two plates move away from each other), and transform (two plates slide pa...
8: ...h the ''chemical'' subdivision of the Earth into (from innermost to outermost) [[Earth#The core|core]]...
12: ...crust|oceanic]] lithospheres; for example, the [[African Plate]] includes the continent and parts of t...
18: ...oundaries]]''' occur where two plates slide apart from each other.
24: ...use highly visible surface effects. Because of [[friction]], the plates cannot simply glide past each... - Earth (30908 bytes)
7: ...th''' or '''Terra''', is the third planet outward from the [[Sun]]. It is the largest of the [[solar s...
14: ...f approximately 12,742 km. The maximum deviations from this are the highest point on Earth (the summit...
55: ... is only 1/20,000 as great as the energy received from the Sun.
74: ...utaway-english.png|thumb|350px|left|Earth cutaway from core to exosphere. Partially to scale.]]
86: ...Peridotite|harzburgite]]s which has been observed from deep parts of the oceanic crust that have been ... - Africa (35389 bytes)
1: ...graphic.jpg|thumb|A satellite composite image of Africa]]
3: '''Africa''' is the [[world]]'s second-largest [[contine...
6: ...onAfrica.png|thumb|World map showing location of Africa]]
8: ...ontinent, as the [[Africa (province)|province of Africa]] with its capital [[Carthage]], corresponding...
10: The origin of ''Afer'' may either come from: - Australia (39438 bytes)
28: established_dates=From the [[United Kingdom|UK]]:<br>[[1 January]] [[1...
44: ...notes=<sup>1</sup>There are some minor variations from these three timezones, see [[Australian States ...
50: ...island]], [[Boigu Island]], is about 5 kilometres from Papua New Guinea. This has led to a complicated...
54: The name Australia derives from the [[Latin]] ''australis'', meaning ''southern...
55: ...w of [[Port Jackson]], taken from the South Head, from ''A Voyage to Terra Australis''. [[Sydney]] was... - Jordan (20715 bytes)
48: | From the [[League of Nations]]<br>
77: ...ion -- 700,000 in 1966 -- grew by another 300,000 from the West Bank. The period following the 1967 wa...
79: ...ver the ''fedayeen'' in July 1971, expelling them from the country.
88: ...er Chamber of Deputies, elected by [[universal suffrage]] to a 4-year term, is subject to dissolution ...
92: ...n [[1992]]. In [[1989]] and [[1993]], Jordan held free and fair [[parliament]]ary elections. Controver... - Ant (13019 bytes)
17: ...g food, digging, or defense. Their color can vary from black, brown, red, to even green or blue in som...
21: Ants thrive in various habitats, from rainforests to deserts. They are terrestrial an...
43: ...Image: ants.jpg|400px|right|Fire ants, originally from South America.]]
52: ...ental processes in the insect world. This journey from egg to adult is a complex and meticulously orch...
58: ... The diet provided by the worker ants during this phase plays a pivotal role in determining the larva's f... - Chalcolithic (1447 bytes)
1: ...'''Eneolithic''' or '''Copper Age''' period, is a phase in the development of [[human]] culture in which ... - Egyptian pyramids (20601 bytes)
13: The most prolific pyramid-building phase coincided with the greatest degree of absolutist ...
21: ...erations, over the thousand year pyramid-building phase of Egyptian civilization.
35: ...ost important of which are listed geographically, from north to south, below.
39: ....jpg|right|thumb|250px|The ruined Pyramid of Djedefre]]
41: ...sius}}— the mostly ruined Pyramid of [[Djedefre]], the son and successor of [[Khufu (pharaoh)|K... - Conflict (3579 bytes)
33: Several theorists detect successive [[phase]]s in the development of conflicts. - Set (mythology) (12196 bytes)
2: ...'' in ''Set'' was pronounced so indistinguishably from ''th'' that the greeks spelt it this way, as ''...
15: ...Set comes from a tomb dating to the [[Naqqada]] I phase of the [[Predynastic Period of Egypt|Predynastic ...
22: ...rus then calls his own semen forth, which answers from inside Set, making the gods feel that Horus was...
29: ...thys, leading to an explanation in which Nepthys, frustrated by Set's lack of sexual interest in her, ...
33: ...gypt, and ruled the Nile [[Delta (river)|delta]], from [[Avaris]], they chose Set, originally Lower Eg... - Babe Ruth (55357 bytes)
10: ...Babe Ruth, full-length portrait, standing, facing front, holding up bat, in baseball uniform, on field...
12: ...itcher. Brother Matthias promptly switched George from catcher to pitcher to teach him a lesson. But, ...
15: ...rs, placed a team in Baltimore, across the street from minor league Orioles, and the competition hit O...
25: ...9 his physique had changed from the tall athletic frame of 1916 to a rotund shape with which he was us...
29: ...e the [[Black Sox Scandal|1919 World Series]] and Frazee's own failings as a theater promoter meant th... - Timeline of invention (28171 bytes)
6: * 2.4 MYA: [[Oldowan|Stone tools]] in [[Africa]]
8: ...YA: Controlled [[fire]] in [[Cradle of Humankind|Africa]]
26: * [[Cloth]] woven from [[flax]] fiber
112: * [[1589]]: [[Stocking frame]]: [[William Lee]]
134: ...quadrant]]: [[Thomas Godfrey (inventor)|Thomas Godfrey]] - Seven Years' War (11256 bytes)
1: ... later drawn into the [[conflict]], while a force from the [[neutrality|neutral]] [[Netherlands]] was ...
3: ...[Native Americans]]/[[First Nations]]) sided with France although some did fight alongside the British...
8: ...strian Succession]]. During that conflict, King [[Frederick II of Prussia]] had gained the rich provin...
10: ...e)|Hanoverian]] possession as being threatened by France. Great Britain's alliance with Prussia was a ...
14: ...ire|Great Britain]] and [[French colonial empires|France]].
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