Supposedly, nobody has the authority to change the Bitcoin money supply, cancel or reverse transactions, or otherwise change the attributes of the protocol.

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Natural gas has other advantages over coal: It produces far fewer emissions of toxic chemicals and gases that contribute to climate change, key attributes as tougher environmental rules go into effect.

MSN: Coal producers find themselves in a hard place

In fact, she attributes the change to the increased profile and effectiveness of select committees in recent years - where the atmosphere of forensic investigation is radically different from the crucible of the Commons.

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The software - which can be used to assist police inquiries into people who have been missing for many years - is able to manipulate facial images to change the age, sex, race or even perceived personality attributes of an individual.

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