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With dozens of labs around the world working on the problem, the creation of stem-cell lines from embryos like these will happen sooner or later. But even when they do, scientists will have to learn how to coax them into producing useful tissues. They'll also have to make certain that both the cloning and the coaxing don't damage the cells in a way that make them not just ineffective but lethal. That's the danger with a different form of stem-cell production, announced this past November, in which skin cells are simply genetically reprogrammed to revert...
...most primal of those desires is that a possible partner smells right. Good smells and bad smells are fundamentally no different from each other; both are merely volatile molecules wafting off an object and providing some clue as to the thing that emitted them. Humans, like all animals, quickly learn to assign values to those scents, recognizing that, say, putrefying flesh can carry disease and thus recoiling from its smell and that warm cookies carry the promise of vanilla, sugar and butter and thus being drawn to them. Other humans carry telltale smells of their own, and those can affect...
...older man had been a prisoner of war in the town in the early 1940s, and had told young Patrick that horrors had occurred there. When Desbois arrived in Rava-Ruska - a town of about 8,000 a few miles from the border with Poland - to learn what had happened, "it was like a black hole," he says. "There was nothing in the books." Desbois says the then mayor declined to divulge details. But when the priest returned a year later, the deputy mayor, Yaroslav Nadiak, led him to the forest of Borowe outside the town and revealed what Rava...
...killings until then. Although Jews were overwhelmingly the largest group of victims, the Nazis also shot tens of thousands of Gypsies, as well as Polish and Soviet citizens and Italian soldiers. A 26-year-old Ukrainian translator for Desbois said she knew of those deaths, but was astonished to learn about the mass killing of Jews when she met the priest last year...
Putin comes across as a leader of great character and vision. In years to come, the Putin era will be a case study of how to use oil riches. Surely many oil-producing countries in the Middle East can learn valuable lessons about ways to use petrodollars that don't involve supporting terrorist organizations. Sudarshan Kumar Singh, NAINITAL, INDIA...