Twenty years ofRNA: then and now

Man's Most Creative Years: Then and Now.

Scientific Books: Legendre Associated Functions: PROFESSOR R. C. ARCHIBALD. Man and His Physical Universe: PROFESSOR S. A. KORFF .............. ............................. 409 Special Articles: Perfusion of Rat Livers with Estrogen in Vitro: JOSEPH SCHILLER and PROFESSOR GREGORY PINcus. Inability to Pass Primary Atypical Pneumonia to Human Volunteers: COMMANDER DEANE H. VANCE, LIEUTENANT THOR...

H1N1 Revisited After Six Years: Then and Now.

Natural Course : On August 10, 2010, the WHO declared the H1N1 influenza pandemic over, stating that worldwide flu activity had returned to typical seasonal patterns. Initial panic gave way to complacency as it was natural for us to believe that like any other flu virus, this too will re-assort and lose its virulence in due course. In the ensuing years since the 2009-10 pandemic, both case and ...

Schizophrenia: Then and Now

EPS—Then and Now

"Slime" played a brief and spectacular role in the 19th century founded by the theory of primordial slime by Ernst Haeckel. However, that substance was never found and eventually abandoned. Further scientific attention slowly began in the 1930s referring to slime as a microbial product and then was inspired by "How bacteria stick" by Costerton et al. in 1978, and the matrix material was conside...

Then and Now