11.   Bioethics is the study of ethical problems arising from scientific advances, especially in biology and medicine.

12.   But company officials say past leakage problems occurred before recent scientific advances in radioactive waste management.

13.   But scientific advances have led to renewed enthusiasm.

14.   Daily life has a way of blunting the appreciation for even great scientific advances.

15.   Few scientific advances in recent years have created as much interest as the discovery of planets orbiting other stars.

16.   Gilder turned in a long argument on how arms races can be a helpful mechanism for pushing scientific advances.

17.   He has been described as a conservative thinker who has spent the greater part of his career dealing with the moral implications of scientific advances.

18.   He speaks Friday morning on scientific advances in AIDS research.

19.   Lebowitz, who formed BioTransplant nine years ago, said scientific advances and high costs forced the company to find a partner.

20.   Many eponyms disappear from usage over time as scientific advances clarify a condition.