Rachael Pymm
Rachael Pymm
This paper considers the circumstances of an article written by John Davy, brother of Sir Humphry Davy, in which he presented the first chemical analysis of snakestones. Davy encountered snakestones in Ceylon (Sri Lanka), where he was poste...
New Sources for Reconstructing the Discovery of Potassium and Sodium: Manuscripts and Letters relating to their Electrical Detection, Isolation, Naming, Announcement, and Publication by Humphry Davy [0.03%]
关于钾钠电化学发现、提纯、命名和公布的新资料：戴维的手稿与信件
Frank A J L James
Frank A J L James
This paper revisits the very well-known episode of Humphry Davy's electrical detection, isolation, naming, announcement, and publication of potassium and sodium. His initial experiments were made in the basement laboratory of the Royal Inst...
The Byzantine Alchemist Christianos and His Procedures on Indian Lac [0.03%]
拜占庭炼金术师克里斯蒂亚诺及其关于印度洋红色染料的工艺流程研究
Marco Bellini
Marco Bellini
In the present article, I analyse a text attributed to a Byzantine alchemist, the so-called Christian Philosopher or Christianos. I argue that within this text it is possible to find one of the earliest descriptions, in the Mediterranean wo...
Sperm Whales, Wax Sculptures, and Historical Analysis: The Role of Fat Chemistry in Authenticating Artworks in Early Twentieth-Century Germany [0.03%]
精子鲸，蜡制雕塑和历史分析：脂肪化学在早期二十世纪德国鉴定艺术品真伪中的作用
Josephine Musil-Gutsch
Josephine Musil-Gutsch
In 1909, Friedrich Rathgen, chief chemist of the Berlin Museums, faced a challenging task: dating a bust and ideally confirming its origin as a Renaissance artwork attributed to Leonardo da Vinci. To authenticate the bust, the chemical comp...
"Cycles of Clockwork Precision": Hormonal Contraception and Natural Menstruation [0.03%]
"精确的周期": 激素避孕与自然月经
Sophia Wagemann
Sophia Wagemann
When the birth control pill was introduced at the beginning of the 1960s, it was primarily used to regulate women's menstrual cycles. Medical historians have argued that such a naturalised menstrual cycle did not exist until hormonal produc...
A Game of Terms: Constructing Naturalness in German Flavour Regulation, 1959-2008 [0.03%]
术语之争：德国民味法规中的“天然”概念（1959—2008）
Paulina S Gennermann
Paulina S Gennermann
Naturalness is a highly discussed and controversial term. Not only are there several definitions of naturalness, but what is perceived as natural can vary among social groups and individuals. Even though the understanding of the term is not...