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- Plateau (3062 bytes)
4: ...he sea as islands; others rest entirely below the surface. Other undersea plateaus were formed by outpourin...
7: ..., but there are many other notable examples of it from around the world, including:
22: ...elop steep relief not immediately distinguishable from [[mountain]]s. Many areas of the [[Allegheny P... - Christopher Columbus (44177 bytes)
1: ...ns claim he could have been born in other places, from the [[Aragonese_Empire|Crown of Aragó]] to the...
5: ...is one thing that sets off Columbus' first voyage from all of these: less than two decades later, the ...
29: ... Atlantic Ocean. The fleet came under attack by [[French privateers]] off the [[Cape of St. Vincent]],...
31: ...and]], [[Madeira]], [[Azores|the Azores]], and [[Africa]]. Columbus's brother Bartolomeo worked as a ...
33: ... to purchase sugar, and along the coasts of West Africa between [[1482]] and [[1485]], reaching the Po... - Industrial Revolution (30001 bytes)
1: ...ntury|18th]] and early [[19th century]] resulting from the replacement of an economy based on manual l...
3: ... merged into the [[Second Industrial Revolution]] from about [[1850]], when technological and economic...
7: ...erm industrial ''revolution'' was introduced by [[Friedrich Engels]] and [[Louis-Auguste Blanqui]] in ...
10: ...itain. The steam engine was created to pump water from coal mines, enabling them to be deepened]]effic...
12: ... occurred in Britain. In other nations, such as [[France]], markets were split up by local regions, wh... - 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:
17: ...n this case, expansion occurs. Internal stresses from this expansion generally take the form of [[com... - Ionic order (6526 bytes)
6: ... [[Greek Revival]], it conveyed an air of archaic freshness and primitive, perhaps even republican, vi...
8: ...ated. Roman fluting leaves a little of the column surface between each hollow; Greek fluting runs out to a ...
12: ...the proportions of the architrave, which made the frieze more prominent.
14: ...ary" approach, it must be in traditions passed on from [[Hellenistic]] architects, such as [[Hermogene... - Dombra (1417 bytes)
5: ... individually, with an occasional tap on the main surface of the instrument. While the two strings are trad...
7: ...fretted, while the Kazakh dombra is played with a fret.
11: ...er of similar instruments that differ very little from the dombra described here. [[Turkmenistan]] has... - Grace Hopper (7469 bytes)
3: ...aduated [[Phi Beta Kappa Society|Phi Beta Kappa]] from [[Vassar College]] with a bachelor's degree in ...
5: ...for it. At the end of the war she was discharged from the Navy, but she continued to work on the deve...
9: ... extended her FLOW-MATIC language with some ideas from the IBM equivalent, the COMTRAN. However, it wa...
12: Hopper retired from the Naval Reserve with the rank of Commander at...
16: ... a [[rear admiral]]. She retired (involuntarily) from the Navy in [[1986]]. - Marilyn Monroe (30186 bytes)
1: [[Image:MarilynMonroe.jpg|right|frame|Marilyn Monroe]]
12: ...e was declared a ward of the state. Gladys's best friend, Grace McKee, later Goddard, became her guard...
15: [[Image:Pb1253.jpg|frame|right|Cover of the first issue of ''[[Playboy]...
23: ...yn and her unique connection with the [[camera]]. From this point on, audiences were spellbound and Mo...
25: ...nd this time that nude photos of Marilyn began to surface. Shot by Tom Kelley when she was struggling, the ... - Impatiens (2161 bytes)
14: ...e flowers from early [[summer]] until the first [[frost]]; tropical species can flower all year. They ...
18: ...y air bubbles are trapped over and under the leaf surface, giving them a silvery sheen that becomes pronoun...
20: ...o used after poison ivy contact to prevent a rash from developing. - Orchidaceae (20056 bytes)
16: ... language|Greek]] ''orchis'', meaning 'testicle', from the appearance of subterranean tuberoids in som...
23: ...restrial]] [[plant]]s, retrieving their nutrients from the soil. This group includes all [[Europe]]an ...
40: ...ctive mottle of the leaves of [[Lady's Slipper]]s from temperate zones (''[[Paphiopedilum]]'') is caus...
47: ..."one-footed") growth. The new shoots grow upwards from a single stem, originating in the end bud of th...
48: ...the rhizome may start its growth again, this time from an 'eye', or undeveloped bud, thereby causing t... - Iris (plant) (13374 bytes)
15: ...plant]]s with showy [[flower]]s ranging in colour from gold, copper-red or yellow to white, blue, blue...
21: ... deserts of Europe, the Middle East and northern Africa, Asia and southern North America. Elevation is...
23: ...e]]s (rhizomatous irises), or, in drier climates, from bulbs (bulbous irises). They have long, erect, ...
25: ...aight outwards. The sepals and the petals differ from each other. They are united at their base into ...
28: ...n the Northern Hemisphere) at irregular intervals from November to March, the bleakest period of the y... - Banksia (1867 bytes)
17: ...ite, contrasting with the deep green of the upper surface. When flowering, they often produce magnificent ... - Nymphaeaceae (2255 bytes)
19: ...af|leaves]] and [[flower]]s floating on the water surface. The leaves are round, with a radial notch in ''N...
30: ...rata Peter|thumb|left|''Nymphaea colorata'' from Africa]] - Respiratory system (5107 bytes)
10: ...[left main bronchus]] tubes that carry air to and from the lungs
24: ...odel of how the lungs are inflated]] can be built from a bell jar.
31: ...anisms to defend itself and prevent [[pathogen]]s from entering the body.
33: ...The lungs add and remove many chemical messengers from the blood as it flows through pulmonary capilla...
46: ... tracheoles. The insects' cells can't be too far from these tracheoles because this is where oxygen a... - Abdomen (6929 bytes)
2: ...in]], [[fat]], [[muscle]], and lining in the very front of the abdomen. Some consider the pelvis a sep...
7: ...lip of the ilium, the lumbar fascia and the inner surface of the [[cartilage]]s of the six lower ribs. It i...
9: ...hick sheath formed, as described above, by fibers from each of the three muscles of the lateral abdomi...
11: ...triangular. It is located in the lower abdomen in front of the rectus abdominis. It originates at the ...
17: == Surface landmarks of the abdomen == - 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.
15: ...[[T cell]]s that directly destroys cells) contain surface-mounted [[T cell receptor|receptors]] that they u...
23: ...owever, most organisms are under constant assault from pathogens, which must be kept in check by the f... - Brain (22060 bytes)
9: .... The brains of arthropods and cephalopods arise from twin parallel nerve cords that extend through t...
11: ...ains. These convolutions evolved to provide more surface area for a greater number of neurons while keepin...
20: ...ers are [[congenital]]. [[Tay-Sachs disease]], [[Fragile X syndrome]], [[Down syndrome]], and [[Toure...
38: ...derstand the nervous system, including the brain, from a biological perspective. [[Psychology]] seeks...
41: ... which are the mass changes in electrical current from the cerebral cortex, but can only detect change... - Human brain (15406 bytes)
19: ...d the [[circle of Willis]]. Blood is then drained from the brain through a [[brain sinuses|network of ...
21: ...he dense fluid protects the brain and spinal cord from shock; a brain that weighs 1,500 g in air weigh...
23: ...tes the soft tissues of the brain and spinal cord from the hard surrounding bones (skull and vertebrae...
25: ...dicine, [[childbirth]] was a dangerous event that frequently resulted in the death of the mother. The...
33: ...e [[neocortex]] with incoming sensory information from the [[brain stem]]. Powerful emotional pathways... - Pulmonary alveolus (8193 bytes)
8: ...ype II cells that secrete surfactant to lower the surface tension
10: ...because of their spherical shape, small size, and surface tension. Phospholipids, which are called surfacta...
16: ...e down a [[concentration gradient]]. Oxygen moves from the alveoli (high oxygen concentration) to the ...
23: ... higher because carbon dioxide enters the alveoli from the pulmonary capillaries.
50: ...li is broken down, greatly reducing the effective surface area for diffusion. The gradual loss of the lungs... - Eye (21834 bytes)
9: ...yonic development, while mollusk eyes grow inward from skin cells.
13: ...rm the lenses of their eyes. In this, they differ from most other arthropods, which have soft eyes. Th...
24: ...ours, the [[aqueous humour]]. Most of the light refraction occurs at the [[cornea]] which has a fixed ...
25: ...from a single point of a distant object and light from a single point of a near object being brought t...
27: ...rising from the shape of the cornea and lens, and from the length of the eyeball. These include [[myop...
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