Celebrating the 100th anniversary of Michaelis–Menten kinetics

Environmental carcinogenesis – 100th anniversary of creating cancer

Asbestos is an environmental carcinogen, and asbestos-related diseases represent a global-scale environmental issue. Mesothelioma is an aggressive, malignant tumor that initially progresses along the surfaces of the pleura and peritoneum that is chiefly attributed to asbestos exposure. X-rays are commonly used for tumor screening in populations at risk for developing this cancer. We previously ...

Celebrating 65 th Anniversary of the Transistor

Abstract—The paper is dedicated to the 65 anniversary of the invention of the revolutionary electronic component that actually changed our way of life—the transistor. It recounts the key historical moments leading up to the invention of the first semiconductor active component in 1947. The meaning of the blend “transistor” is explained using the memorandum issued by Bell Telephone Laboratories....

Celebrating our 20th digital anniversary.

In 1997, 6 years after the World Wide Web became accessible to the public, the Proceedings of the National Academy of Sciences launched its website, heralding our entry into the Internet age and the expeditious dissemination of our scientific content worldwide (see Infographic). Toward the end of the last millennium, we redesigned the website to improve user experience and rebranded the journal...

The 100th Anniversary of the Russian Pavlov Physiological Society.

The first All-Russian Congress of Physiologists was held in Petrograd (Saint Petersburg), Russia in April 1917 at the Medical Institute for Women (11). Ivan Pavlov was the chairman of the organizing committee for this first “Sechenov Physiological Congress,” but he was unable to attend because of a fractured hip sustained in a fall on December 27, 1916 (7). Nevertheless, Pavlov wrote an address...

Celebrating the PA profession's 50th anniversary.