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Chile: A Center of Global Astronomy, 1850–2019  

Bárbara K. Silva

By 2020, it is expected that approximately 70 % of the world’s surface astronomical observation will be located in Chile, considering both optical and infrared telescopes, belonging to ... More

History of Science and Technology in 20th-Century Brazil  

Olival Freire Junior

Twentieth-century science and technology in Brazil were marked by the building of new institutions of higher education, research, and research funding as well as by the professionalization ... More

Public Health in Mexico, 1870–1943  

Claudia Agostoni

The prevention of communicable diseases, the containment of epidemic disorders, and the design of programs and the implementation of public health policies went through important ... More