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...method for generating customized stem cells that would take advantage of the early-stage embryos frozen in IVF centers around the country. The most reliable way of generating patient-specific stem cells remains nuclear transfer-taking the nucleus from a patient's skin cell and inserting it into an egg that has had its nucleus removed. This hybrid then begins to divide, and within a few days, generates stem cells that are genetically identical to the patient. The problem, however, as Eggan puts it, is that "there are never any extra unfertilized eggs hanging out at IVF clinics." That...
Eggan's group has found, astonishingly, that one-celled zygotes, or fertilized embryos that are on the verge of making their first cell division, can act just like the emptied-out egg in the nuclear transfer process. And because more of these zygotes are available than eggs, it may give patients another way of obtaining customized stem cells. In fact, notes Eggan, there may be even more such zygotes available if you count the abnormally fertilized embryos that IVF clinicians discard immediately. Anywhere from 3% to 10% of IVF embryos get either too many or too few chromosomes when they...
...whereas resisting the Albanians' secession will cause a lot of bad blood in the Muslim world for Russia. Another factor is Serbia's own unreliability. Over centuries, Serbia always asked for Russia's protection first, and ended up siding with the West second, leaving Russia with a lot of egg on the face and in a lot of trouble for all its pains. Even with the current rise of Serbian nationalism, piqued by the West's position on Kosovo, Belgrade is more likely to cut a deal with the West and opt for the EU's patronage rather than...
...strongly support Hume’s greatness on the ground that the force of his personality definitely affected the age in which he lived. It is not a question of the cart before the horse in either case, merely a problem of which came first, the chicken or the egg. In any case, there is much to be said on both sides...
...students who prefer their eggs in omelette or scrambled form will have to wait, since the liquid eggs HUDS uses will continue to come from caged hens. The cage-free shell eggs will represent about a quarter of HUDS’ total egg...