According to the Van Gogh Museum in Amsterdam, the origins of Flying Fox are not well documented. Van Gogh probably saw a flying fox in a museum or private collection in Brabant, Antwerp, or Paris. The dark brown background colors in the painting are similar to those in other works of his Nuenen period. The brighter colors and rough brushstrokes in the wings are more avant garde and suggest tec...

CONTEXT Congo red is the essential histologic stain for demonstrating the presence of amyloidosis in fixed tissues. To the best of my knowledge, nothing has been written about why the stain is named "Congo." OBJECTIVE To understand the etymology and history of the Congo red histologic stain. DESIGN Primary sources were consulted extensively, including 19th-century corporate documents, newsp...

2014 A detailed analysis of the efficiency of geometric focusing in surface-plasma sources is presented. Revue Phys. Appl. 23 (1988) 1885-1888 DÉCEMBRE 1988,