Werdegang eines Wissenschaftlers: Georg Friedrich Parrots Tätigkeit in Riga (1795–1801)

Georg Friedrich Händel's strokes.

Georg Friedrich Händel was a musical giant and probably the first composer to be the manager and promoter of his own works. The story of his life and illnesses is full of myths, invented and embellished by various biographies. Existing pathographies written by authors from various specialities suggested he suffered from psychiatric diseases like cyclothymia or mania and rheumatologic disorders ...

Georg Christian Gottlieb Wedekind 1761–1831: Werdegang und Schicksal eines Arztes im Zeitalter der Aufklärung und der Französischen Revolution, mit einem Anhang: Wedekinds Diätetikvorlesung von 1789/90

human nervous system led to a major series of treatises on the sense organs. The present volume throws new light on S6mmerring's neuro-anatomical work, and at the same time places it against a wide panoramic backdrop of Sommerring's interaction with "forerunners", with successors such as Albert von Kolliker, and with contemporary friends and colleagues like Johann Friedrich Blumenbach, Johann F...

Georg Bauer

Acute pancreatitis in parrots.

Acute pancreatitis was diagnosed in three parrots. Antemortem diagnosis of pancreatitis in the avian patient is rarely documented, and should be suspected in birds showing clinical signs attributable to abdominal pain or gastro-intestinal dysfunction. However, not all birds with confirmed pancreatitis display these signs. A serum amylase level greater than 1,500 U/L is suggestive of pancreatiti...

Fluorescent signaling in parrots.

Fluorescent pigments appear to glow because ultraviolet (UV) light is absorbed and reemitted at longer wavelengths. Humans use fluorescence as a highlighter, but it remains a mystery whether naturally occurring fluorescence functions as a signal or is a by-product of pigment structure. Here, we test for evidence of signaling using the fluorescent plumage of parrots (1). We performed mate choice...