11.   Scientists at Stanford University and elsewhere have gained an important insight into the basic biology that underlies the evolution of cancerous tumors.

12.   The discovery marks a clear advance in understanding the basic biology of the virus.

13.   The discovery marks a clear advance in understanding the basic biology of the virus, knowledge that may open up new approaches to research and treatment.

14.   The federal government should launch a major initiative to develop an AIDS vaccine, he said, and academics should focus on the basic biology of the virus.

15.   You teach a basic biology class here at the University of California at Irvine.

16.   Other displays go beyond basic biology to explore what genetic research means for society.

17.   Buss, who notes that the evolutionary theory predicted that the sex differences would be found, says the differences spring from basic human biology.

18.   This is basic biology with a clear practical payoff.