Word: proof
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Although the development once again raises the specter of creating humans in a petri dish or custom-designing egg and sperm cells for reproduction, lead author Karim Nayernia says that was not his team's intention. Rather, the experiment was a proof of concept that stem cells can generate any cell in the body - not only the dozens of tissues that make up the human body but also those egg and sperm cells that may give rise to altogether new bodies. "Other cell types don't generate the next generation," says Nayernia, a professor of stem-cell biology at Newcastle...
...there's been some frustration with some in the media not fully reporting what's been going on, so this may come as a shock to some Alaskans. We have sat down with reporters, showed them proof of the frivolity, the wastefulness - you know, millions of dollars this is costing our state to fight frivolous charges. And countless, countless hours from my staff, our department of law, from me every single day just trying to set the record straight. And it doesn't cost the adversaries a dime in this game. It costs our state so much in time...
...President's defenders say the fact Johnson Sirleaf took part in a process that highlighted her early role in Liberia's meltdown is proof of her commitment to good governance. "She allowed the whole process to roll out and that shows that she is concerned about the truth," says Suliman Baldo, the Africa Director for the International Center for Transitional Justice. Many Liberians probably agree with that...
...Given enough time - and pressure - that too may change. Veterans' groups intensively scrutinized the bill as it was being drafted and as a result won considerable concessions, including the shift of the burden of proof from the claimant to the government: now the state will have to prove radiation wasn't the cause of illness if it wants to avoid paying compensation, rather than victims having to establish the contrary before their claims are recognized. But Marhic says the proposal is still too restrictive on whom it will accept as sufficiently radiated by tests to apply for compensation...
...menu calorie counts have been implemented in only three localities: Washington's King County (which includes Seattle), New York City and Westchester County, a suburb of New York. And since none of these provisions have been in place for more than a year, nutritionists have yet to gather empirical proof that they work. But some science suggests that prominently displayed calorie counts steer purchases. In 2007, researchers in New York City examined consumer eating habits at Subway, which voluntarily posted calorie info in its stores. This study, also published in the American Journal of Public Health, reported that Subway patrons...