chemistry Nitrosamines (NAs) are a family of chemical compounds discovered over 100 years ago. It was not until the 1950s that these compounds received worldwide attention. In the 1950s, two British scientists, Barnes and Magee discovered that dimethylnitrosamine is a powerful carcinogen in laboratory animals. This finding led to massive studies involving NAs in many industries throughout the y...

Since the rise of concern about the relationship between smoking and health in the 1950s and 1960s, the tobacco industry has emphasised notions of individual choice to negate the arguments of the public health sector and legitimatise the industry's presence in the marketplace. Central to this notion of individual choice has been the idea that the control of tobacco consumption (including quitti...

In the 1950s, borohydrides arose as promising components of new rocket and aviation fuels [...]