After the discovery of americium isotopes < sup > 241 </ sup > Am and < sup > 242 </ sup > Am, their production and compounds were patented listing only Seaborg as the inventor.

After the discovery of the reason why the fixture had failed, a comprehensive inspection of the other fixtures in the tunnel revealed that numerous other fixtures were also in the same state of deterioration.

After the discovery of the West Indies by Christopher Columbus in 1492, the Spanish term Antillas was assigned to the lands ; stemming from this, " Sea of the Antilles " is a common alternative name for the Caribbean Sea in various European languages.

After the discovery of the hydrogen bonded A: T and C: G pairs, Watson and Crick soon had their anti-parallel, double helical model of DNA, with the hydrogen bonds at the core of the helix providing a way to " unzip " the two complementary strands for easy replication: the last key requirement for a likely model of the genetic molecule.

After the discovery marine fossils in the Taihang Mountains ( hundreds of miles from the Pacific Ocean ), Shen Kuo devised a theory of land formation, or geomorphology.

After the initial discovery of introns in protein-coding genes of the eukaryotic nucleus, there was significant debate as to whether introns in modern-day organisms were inherited from a common ancient ancestor ( termed the introns-early hypothesis ), or whether they appeared in genes rather recently in the evolutionary process ( termed the introns-late hypothesis ).

After taking further data, the group discovered that this particle did not actually exist, and the " discovery " was named " Oops-Leon " as a pun on the original name ( mispronounced ) and Dr. Lederman's first name.

After his accidental discovery, Reinitzer did not pursue studying liquid crystals further.

After the discovery of Lindow Man, there were no further archaeological excavations at Lindow Moss until 1987.

After Columbus ' initial discovery, the name then evolved along the pronunciations Madinina (" Island of Flowers "), Madiana, and Matinite.

After the discovery of the ozone hole it only took 18 months to reach a binding agreement in Montreal.

After the discovery of a few meteorites in 1967, a public awareness campaign resulted in the finding of nearly 100 new specimens in the next few years, with many being

After 1992, the discovery of numerous small icy objects with similar or even wider orbits than Pluto led to a debate over whether Pluto should remain a planet, or whether it and its neighbours should, like the asteroids, be given their own separate classification.

After the observatory obtained further confirmatory photographs, news of the discovery was telegraphed to the Harvard College Observatory on March 13, 1930.

After studying hundreds of adoptive families, the discovery was that people who grow up together, whether biologically related or not, do not much resemble one another in personality.

After the discovery of the empty tomb, the Gospels indicate that Jesus made a series of appearances to the disciples.

After this discovery, French Jews erected a large monument in the center of the square — a large, black and white globe featuring a prominent Hebrew letter, Shin ( ש ) ( presumably for " Shlomo ", Rashi's name ).

After the discovery and excavation of these monuments and associated stone slabs by Russian archaeologists in the wider area surrounding the Orkhon Valley between 1889 and 1893, it became established that the language on the inscriptions was the Old Turkic language written using the Orkhon script, which has also been referred to as " Turkic runes " or " runiform " due to a superficial similarity to the Germanic runic alphabets.

After the publication of the improved method of flame spectroscopy by Robert Bunsen and Gustav Kirchhoff and the discovery of caesium and rubidium in the years 1859 to 1860, flame spectroscopy became an approved method to determine the composition of minerals and chemical products.

After Pluto's discovery, American astronomer Clyde Tombaugh continued searching for some years for similar objects, but found none.

* After having analyzed the data from the LCROSS lunar impact, in 2009 NASA announced that the discovery of a " significant " quantity of water in the Moon's Cabeus crater.

After this discovery at the mill, the " gold rush " era began and many people came from the east to find fortune.

After Raymond Dart's discovery of the Taung Child, an infant australopithecine, Broom's interest in paleoanthropology was heightened.

After the initial discovery in 1998, these observations were corroborated by several independent sources: the cosmic microwave background radiation and large scale structure, apparent size of baryon acoustic oscillations, age of the universe, as well as improved measurements of supernovae and X-ray properties of galaxy clusters.

After the discovery of Raman scattering by organic liquids, Rasetti decided to study the same phenomenon in gases at high pressure during his stay at Caltech in 1928-29.

After this, the iron industry was represented only by a small tinplate works, but by this stage the economy of the town was dominated by the coal mining industry.

After several false starts during the 16th and 17th centuries the brass industry was also established in England taking advantage of abundant supplies of cheap copper smelted in the new coal fired reverberatory furnace.

After 1850, Germany industrialized rapidly, with a foundation in coal, iron ( and later steel ), chemicals and railways.

After a brief stay in Chicago, visiting relatives, they moved to the coal mining town of Windber, Pennsylvania.

After representatives of the government met with leaders of the Jiu Valley coal miners union, thousands of miners were organized and arrived in Bucharest June 14.

After his death, Powell's friend Richard Ritchie recorded in 1998 that " during one of the habitual coal crises of recent years he told me that he had no objection to supporting the coal industry, either through the restriction of cheap coal imports or subsidy, if it were the country's wish to preserve local coal communities ".

After the Blue Takeover of 2006, the Clean Government Movement became the chief instrument of change in the coal mining towns of Eastern Kentucky.

After the late 1980's, the coal mining boom in Breathitt county slowed to where coal mining families looked other places to find work.

After the American Civil War, it developed into an industrial and mining center, with iron and steel mills, hominy plants and, late in the 19th century, distilleries, breweries, coal mines and coal operating companies.

After many delays and extensive pumping, coal was found in 1895, but trouble with financing delayed production for two years.

After coal was discovered and mining began in nearby Carterville, Harrison, and his cousins Ephraim Snyder Herrin and Mrs. Williams in 1892 prospected for coal beginning at the southwest corner of Williams ' farm, identified in 1939 as the corner of Legion Boulevard and East Herrin St. ( Legion Blvd no longer appears on the maps, but the reference indicates the intersection was the North and North East public roads.

After the closing of the coal mines, the city has diminished.

After its early Roman beginnings and a rather modest medieval period, Heerlen became a centre for the coal mining industry in the Netherlands in the late 19th century.

After World War II, the railway switched from coal to diesel engines, which could run much longer distances without refuelling.

After being settled by the McKee family in 1795, McKeesport began to grow in 1830 when coal mining began.

After World War II, coal lost favor to oil and natural gas.

After the death of coal and the loss of the silk mill, the town encouraged the likes of Schott Optical and Topps Bubble Gum to establish medium-sized plants in the town.

After receiving these patents Roberts sold his soon-to-be valuable coal lands, and by 1810 was farming in Genoa Township, Ohio.

After a coal strike in the 1940s, the local coal mine closed, and the town lost most of its population and other business activity.