Information about the genetic make-up of tumors should, in the long term, help clinicians decide on the most effective course of treatment for patients with cancer. To be most helpful these molecular ...

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, ...

Since about 1954, modern field research has been carried out by a number of ethnographers and biologists in an effort to understand more fully the nature of folk biological classification. Much of ...