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...cells allow researchers to witness the normal development of sperm for the first time. "In the human, sperm development is a very long process," Nayernia says. "It takes more than 15 years and is not an accessible system. With this system, we can now watch that development in three months...
...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 embryo before we provide any clinical applications," he says...
...ancestry have been twisted into excuses for unwarranted name-calling, including labeling her a racist. Endless variations of Judge Sotomayor’s statements have been disseminated, but her critics have not been careful to include complete, verbatim quotes of her comments in their proper contexts so as to allow audiences the opportunity to appreciate the merit and full meaning of her words. A fair consideration of her remarks clearly demonstrates that she simply acknowledges what most people know to be true: Every individual’s knowledge and wisdom are influenced by his or her personal experiences as members...
...guidelines allow the NIH to fund the creation and study of new stem-cell lines, as long as they originate from embryos that were discarded during the IVF process and donated, with proper informed consent, to research. Government funds still may not be used, however, to create an embryo specifically to destroy it for research purposes, or to create or study stem cells derived from embryos generated by other methods, including cloning and parthenogenesis, in which the egg is directly activated to start dividing and generate an embryo...
...address to graduating students at Moscow's New Economic School, Obama described the "universal values" not as an ideal form of government but as a way of correcting inevitably imperfect governments. He spoke mainly of the American example - how freedom of speech allows minorities to petition for equal rights, how competitive elections allow citizens to hold their leaders accountable and how a free media expose corporate and government corruption. Then he made the topic personal. (See pictures of Obama in Russia...