This story appears in the February 2020 issue of National Geographic magazine. Each February, in observance of Black History Month in the United States, we revisit the stories of notable African ...

THE granting of patents in the United States was provided for in the Constitution, and on April 10, 1790, Congress specified how patents were to be issued. It was, however, not until an act of July 4, ...

Mosque and hospital of Divriği in modern day Turkey. It was built in the 13th century and you can still visit its remains today. During the Abbasid Caliphate (AD750 -1258), Baghdad became the centre ...

Davison helps turn your invention and app ideas into real products. It focuses on making your products more marketable and offers assistance with development and packaging design. The company keeps ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

The history of computers began with primitive designs in the early 19th century and went on to change the world during the 20th century. When you purchase through links on our site, we may earn an ...