Search Results: Organic chemistry

This collection on the Vikings, who dominated northern Europe from c. 790 CE to c. 1100 CE, examines not only their fearsome reputation for war and invasion but also their celebrated ships, navigational skills, and runes writing system. In...

Robert Boyle (1627-1691) was an Anglo-Irish chemist, physicist, and experimental philosopher. Boyle was a prolific author, made significant experiments with air pumps, and presented the first litmus test. A founding member of the Royal Society...

The Napoleonic Concordat of 1801 defined France's relationship with the Catholic Church for over 100 years. The Organic Articles were added in 1802 and provided state recognition of the Reformed and Lutheran confessions alongside the Catholic...

The germ theory, which emerged in the late 19th century, demonstrated that microscopic germs caused most human infectious diseases. The germs involved included bacteria, viruses, fungi, protozoa, and prions. Louis Pasteur (1822-1895), a French...

Alchemy is an ancient practice aimed at recreating precious substances using recipes and transformative materials such as the philosopher's stone. Alchemists believed that materials like gold, silver, gems, and purple dye could be recreated...

Women scientists during the Scientific Revolution (1500-1700) were few in number because male-dominated educational institutions, as well as scientific societies and academies, barred women entry, meaning that few had the education or opportunity...

From the dawn of our species to the present day, stone-made artefacts are the dominant form of material remains that have survived to today concerning human technology. The term “Stone Age” was coined in the late 19th century...

From around 800 BCE, ancient Greek city-states, most of which were maritime powers, began to look beyond Greece for land and resources. As a consequence, they founded colonies across the Mediterranean. Trade was usually the first step in...

Archaeology is a wide subject and definitions can vary, but broadly, it is the study of the culture and history of past peoples and their societies by uncovering and studying their material remains, i.e. tools, ruins, and pottery. Archaeology...

Herculaneum, located on the Bay of Naples, was a Roman town which was destroyed by the eruption of Mount Vesuvius in 79 CE. Like its neighbour Pompeii, the town was perfectly preserved by a metres-thick layer of volcanic ash which, in the...