Over the last couple of decades, oocyte donation has become common, important, and sometimes lucrative. Women who donate eggs are often offered fees, though ostensibly only to offset their expenses and limited to no more than $ 10,000, following recommendations adopted by the fertility industry. Is the industry adhering to ...

Cheating evolves constantly. Dozens of athletes were barred from the Winter Olympics for taking banned substances. Gene doping is on the horizon. Questions have arisen about which athletes count as "female. " What does it take to keep sports fair? And what does fairness require?

"Medicalized" weapons--those that rely on advances in neuroscience, physiology, and pharmacology--offer the prospect of reducing casualties and protecting civilians. They could be especially useful in modern asymmetric wars in which conventional states are pitted against guerrilla or insurgent forces. But may physicians and other medical workers participate in their development?

The search for valuable new products from among the world's stock of natural biological resources is mostly carried out by people from wealthy countries, and mostly takes place in developing countries that lack the research capacity to profit from it. Surely, the indigenous people should receive some compensation from it. ...