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- Iron (23778 bytes)
146: ... [[sulfur]], [[silicon]] and [[phosphorus]]. Its only significance is that of an intermediate step on ...
167: ...tricate shapes, but is too brittle to be worked, unless the product is ''decarburized'' to remove most...
169: ...elopment lagged in Europe, as the smelters could only achieve temperatures of about 1000 K. Through a ...
220: ...target proteins. [http://www.plosbiology.org/plosonline/?request=get-document&doi=10.1371%2Fjournal.pb...
231: Of the stable isotopes, only <sup>57</sup>Fe has a nuclear [[spin_(physics)|s... - Krypton (9031 bytes)
- Lutetium (10459 bytes)
151: ...utetium as a [[transition metal]], but it is commonly considered a [[lanthanide]].
168: ...003% of the element. Pure lutetium [[metal]] has only relatively recently been isolated and is very di...
183: *[http://pearl1.lanl.gov/periodic/elements/71.html Los Alamos National... - Osmium (11139 bytes)
177: *[http://periodic.lanl.gov/elements/76.html Los Alamos National Laborato... - Polonium (10219 bytes)
95: ...ce dissolves readily in dilute [[acid]]s, but is only slightly [[solubility|soluble]] in [[alkali]]s. ...
99: ... other places. However beta sources are more commonly used and are less dangerous.
123: ...rie), which is equivalent to a particle weighing only 6.8 x 10<sup>-12</sup> gram. Weight for weight p...
126: *[http://periodic.lanl.gov/elements/84.html Los Alamos National Laborato... - Radium (13138 bytes)
158: *[http://pearl1.lanl.gov/periodic/elements/88.html Los Alamos National... - Rubidium (10211 bytes)
204: ...>Rb, in the form of vapor is one of the most commonly-used atomic species employed for [[laser cooling...
216: ... The dates indicate the true age of the minerals only if the rocks have not been subsequently altered....
222: *[http://periodic.lanl.gov/elements/37.html Los Alamos National Laborato... - Scandium (10820 bytes)
111: ...fficient artificial light source that resembles sunlight and allows good color reproduction with [[tel...
124: ...itite]], [[euxenite]] and [[gadolinite]] are the only known concentrated sources of this element (whic...
126: ...the [[sun]] and similar stars but on earth it is only the 50th most abundant element. Scandium is dist...
136: ...u (Sc-54). The primary [[decay mode]] before the only stable isotope, Sc-45, is [[electron capture]] a...
142: *[http://pearl1.lanl.gov/periodic/elements/21.html Los Alamos National... - Strontium (11493 bytes)
173: ...react with [[nitrogen]] below 380 °C it will only form the oxide spontaneously at room temperature...
185: ...ulky RTGs not suited for use in outer space. Its only advantages over plutonium-238 are that strontium...
191: Strontium commonly occurs in nature, averaging 0.034% of all igneou...
202: ... Sr-86 (9.86%), Sr-87 (7.0%) and Sr-88 (82.58%). Only Sr-87 is [[radiogenic]]; it is produced by decay...
212: *[http://pearl1.lanl.gov/periodic/elements/38.html Los Alamos National... - Technetium (32113 bytes)
184: ...elements. On earth, technetium occurs naturally only in uranium ores as a product of spontaneous fiss...
187: ...ance similar to [[platinum]]. However, it is commonly obtained as a grey powder. Its position in the p...
189: ...[oxygen|O]]<sub>4</sub><sup>-</sup>.{{inote | ''LANL Periodic Table'', "Technetium" paragraph 3}} Com...
229: ... Building Blocks'', page 424, paragraph 2 and ''LANL Periodic Table'', "Technetium", paragraph 1}} Uni...
233: ...made by B.T. Kenna and P.K. Kuroda. {{inote | ''LANL Periodic Table'', "Technetium" paragraph 1}} The... - Kiwi (6303 bytes)
19: ...ew Zealand]] of the genus '''''Apteryx''''' (the only genus in family '''Apterygidae'''). At around t...
21: ...s in about [[14th century|1300]], New Zealand's only endemic mammals were three species of [[bat]] (t...
42: ...igs, [[stoat]]s and cats and is extinct on the mainland and the most threatened of all kiwi. About 100...
45: ...three species of brown kiwi''. [http://www.kluweronline.com/issn/1566-0621/contents Conservation Genet... - Flagellum (8951 bytes)
10: ...00 [[rpm]], but with a filament attached usually only reaches 200 to 1000 rpm.
14: ...ve a single flagellum each on two opposite ends (only one end's flagellum operates at a time, allowing...
30: ...+</sup> ions); archaeal flagella are almost certainly powered by [[Adenosine triphosphate|ATP]]. The t...
36: ... Therefore many assume erroneously that there is only one basic kind of prokaryotic flagellum, and tha...
40: ...lla in structure and in evolutionary origin. The only thing that the bacterial, archaeal, and eukaryot... - Javelin throw (2228 bytes)
3: ...y must release the javelin. They also use spikes unlike other throwers, with eleven small spikes on ea...
8: ...nception. Although the javelin is currently used only for sport in most areas, it has a long history o... - Bean (3487 bytes)
8: ...eir dry grain. Pulses then exclude those crops mainly used for oil extraction (like [[soybean]] and [[... - Collard greens (5350 bytes)
16: ...egetable)|greens]] and as a garden ornamental, mainly in [[Brazil]], [[Portugal]], the Southern [[Unit...
37: Only firm, dark green leaves are fit for consumption;...
47: Thinly sliced collard greens are also the main ingredie... - Onion (8367 bytes)
17: Onions may be grown from seed or very commonly from "sets". Onion sets are produced by sowing ...
82: ...sidered to be "onions" in the looser sense. Commonly raised vegetable alliums include the [[leek (veg... - Rhubarb (4414 bytes)
17: ...ny areas, primarily for its fleshy petioles, commonly known as ''rhubarb sticks''. In temperate climat...
19: ...y, by raising the local temperature. This is commonly done by placing an upturned bucket over the shoo...
21: ...occurs in at least four species. Those most commonly used in cooking are the '''Garden Rhubarb''' (''...
27: ...es can vary, it averages about 0.5%, so a rather unlikely five kilograms of the extremely sour leaves ... - Emperor Penguin (4731 bytes)
36: Emperor penguins travel about 90 km inland to reach the breeding site. March or April, th...
40: Emperor penguins tend to be monogamous unless their mate dies. - Lemurs (4235 bytes)
22: Lemurs are found naturally only on the island of [[Madagascar]], and some smalle...
26: All lemurs are [[endangered species]], due mainly to habitat destruction (deforestation) and hunti... - Peregrine Falcons (8580 bytes)
33: ... as the [[Midwest]] states. They used to be commonly found in parts of the [[Appalachian Mountains]] ...
41: ...ds from [[Alaska]], northern [[Canada]] and [[Greenland]] migrate to [[Central America|Central]] and [...
48: ...e location of their nest should not be revealed, unless they are protected.
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