There   are   many   differences   between   studying   natural   sciences   at   Oxford   and   Cambridge.  C ambridge's  N atural S ciences a re b road-based,  w hich i s f urther d ivided i nto biological s treams o r physical s treams.  R egardless of which f ield s tudents w ant t o s pecialize in,   they m ust f irst e nroll in o ne of the N atural S ciences g roups a nd t hen t ake t hree t o f our c ourses p er y ear.  Ox ford a d mits s t udents o n  a   c a se-by-su