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It is not known exactly when marshmallows were invented, but their history goes back as early as 2000 BCE. Ancient Egyptians were said to be the first to make and use the root of the plant to soothe coughs and sore throats and to heal wounds. The first marshmallows were prepared by boiling pieces of root pulp with honey until thick.
Marshmallows have a surprisingly ancient history. In fact, the word marshmallow comes from the source of the first marshmallow treat—the mallow plant, which grows wild in the marshes of Asia and ...
David L. Smith (born 3 December 1963 in London) is a noted historian at Selwyn College, Cambridge. He specializes in Early Modern British history, particularly political, constitutional, legal and religious history within the Stuart period. [ 1 ]
Antiquarian science books are original historical works (e.g., books or technical papers) concerning science, mathematics and sometimes engineering.These books are important primary references for the study of the history of science and technology, they can provide valuable insights into the historical development of the various fields of scientific inquiry (History of science, History of ...
David Smith FRS [1] (26 November 1935—15 February 2023) was a British chemical physicist who investigated gas-phase ionic reactions between ions, electrons and molecules. For this work he developed the selected ion flow tube (SIFT) technique, an analytical method that evolved in to the widely used SIFT-mass spectrometry .
This made him the first non-Berkeley graduate hired by the chemistry department in +25 years. [7] He invited Calvin to push forward in radioactive carbon research because "now was the time". [ 6 ] Calvin's original research at UC Berkeley was based on the discoveries of Martin Kamen and Sam Ruben in long-lived radioactive carbon-14 in 1940.
David Kelham Smith is a professor of chemistry at the University of York in England. His research focuses on nanochemistry and self-assembling nanomaterials . [ 1 ] Smith is also well known for his education and public outreach activities, such as his channel dedicated to combatting chemistry disparagement. [ 2 ]
Parchment — Writing on prepared animal skins had a long history, however. David Diringer noted that "the first mention of Egyptian documents written on leather goes back to the Fourth Dynasty (c. 2550–2450 BC), but the earliest of such documents extant are: a fragmentary roll of leather of the Sixth Dynasty (c. 24th century BC), unrolled by ...