THE question is often asked by students as to which is the 'right' classification of a group of animals. Mr. K. H. Chapman, lecturer in zoology, Rhodes University College, Grahamstown, South Africa, ...

So much is happening in astronomy these days that it’s hard to keep track of the cosmic zoo, much less how each object fits into the overall celestial landscape. Scientists typically organize their ...

William Sharp Macleay developed the quinarian system of classification in his Horœ Entomologicœ, published in two parts in 1819 and 1821. For two decades, the quinarian system was widely discussed in ...

Randomized Phase II Trial Evaluating Two Sequential Treatments in First Line of Metastatic Pancreatic Cancer: Results of the PANOPTIMOX-PRODIGE 35 Trial Newly diagnosed patients enrolled on the COG ...