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  2. List of unsolved problems in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    This article needs attention from an expert in chemistry. ... "First 25 of 125 big questions that face scientific inquiry over the next quarter-century".

  3. Blast furnace - Wikipedia

    en.wikipedia.org/wiki/Blast_furnace

    Former AHM blast furnace in Port of Sagunt, Valencia, Spain. A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper.

  4. List of Huguenots - Wikipedia

    en.wikipedia.org/wiki/List_of_Huguenots

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  5. Birmingham - Wikipedia

    en.wikipedia.org/wiki/Birmingham

    Since the 1970s, most secondary schools in Birmingham have been 11-–-16/18 comprehensive schools, while post GCSE students have the choice of continuing their education in either a school's sixth form or at a further education college.

  6. Jews - Wikipedia

    en.wikipedia.org/wiki/Jews

    Total population; 15.8 million Enlarged population (includes anyone with a Jewish parent): 20 million [a] [2] (2022, est.): Regions with significant populations; Israel (incl. occupied territories)

  7. History of Germany - Wikipedia

    en.wikipedia.org/wiki/History_of_Germany

    Von Ranke, for example, professionalized history and set the world standard for historiography. By the 1830s mathematics, physics, chemistry, and biology had emerged with world class science, led by Alexander von Humboldt in natural science and Carl Friedrich Gauss in mathematics. Young intellectuals often turned to politics, but their support ...