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...unclear whether IVD sperm may eventually be able to fertilize an egg successfully - the ultimate measure of similarity between IVD sperm and normal sperm. (Nayernia is currently testing whether mouse eggs fertilized with IVD sperm can lead to a healthy animal.) If the researcher can generate human IVD sperm that look like normally developed sperm and can get the artificially created germ cells to fertilize an egg, then he can allow the resulting embryo to develop for 14 days - according to U.K. law, embryos created for research purposes must be destroyed at that point. "We would need to study that...
That might seem more like science fiction than reality, but given the pace of stem-cell research, it may not be that far off. "We have the potential therapeutic use of a technology that pushes the boundaries of what people feel comfortable with ethically," says Hyun. With more advances like this one likely to come in months if not weeks, that comfort level will have to catch up quickly...
What sparked the idea for your book? It really began with the animal research that I was doing in my lab. The animals I worked with were doing a tremendously good job of finding their way and using landmarks. At some point, my students and I had the idea of trying to do some similar experiments with human beings. Compared to any animal that I've ever studied or read about, I would say that the average urban person kind of wanders around in a semi-lost state. In traditional way-finding cultures like the Inuit in the Arctic...
...Maritza I. Reyes is a post-graduate research fellow at Harvard Law School...
...regulated Dutch sex industry—prostitution was legalized nearly nine years ago in this country, in October 2000—sex workers have to be at least 18 years of age in order to legally work in brothels and behind windows. Through the course of my research on the situation over the past two weeks, I discovered intense opposition among a slew of Dutch academics, women’s rights advocates, and former prostitutes to a recent proposal to increase the age standard for sex workers from...