Are there universal ethical principles that should govern the conduct of medicine and research worldwide? -- Is it morally acceptable to buy and sell organs for human transplantation? -- Were it physically safe, would human reproductive cloning be acceptable? -- Is the deliberately induced abortion of a human pregnancy ethically justifiable? -- Is it ethical to patent or copyright genes, embryos, or their parts? -- Should minors have the right to refuse treatment, even when against the will of their parents or guardians? -- Is physician-assisted suicide ever ethical? -- Should stem cell research utilizing embryonic tissue be conducted? -- Should we prohibit the use of chimpanzees and other great apes in biomedical research? -- Should the United States of America adopt universal health care? -- Is there a legitimate place for human genetic enhancement? -- Can there be agreement as to what constitutes human death? -- Is there ever a circumstance in which a doctor may withhold information? -- Should in vitro fertilization be an option for a woman? -- Are international clinical trials exploitative?