Sonny Perdue

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.

Astonishingly, in spite of decades of research, there is no agreed theory of cancer, no explanation for why, inside almost all healthy cells, there lurks a highly efficient cancer subroutine that can be activated by a variety of agents - radiation, chemicals, inflammation and infection.

The Yas Marina circuit is really pretty impressive. The track itself has some quite slow corners and not a great deal of overtaking opportunities, but it seems to combine a road course with a circuit course.