The answer is complex, and will not produce an elixir of eternal life in the foreseeable future.
But the scientists expect better drugs for age-related illnesses, such as diabetes and heart disease, to emerge from their discovery of the biochemical pathway involved in ageing.
In that case, the Obama administration has argued that warrantless tracking is permitted because Americans enjoy no "reasonable expectation of privacy" in their--or at least their cell phones'--whereabouts. U.S. Department of Justice lawyers say that "a customer's Fourth Amendment rights are not violated when the phone company reveals to the government its own records" that show where a mobile device placed and received calls.
Those claims have alarmed the ACLU and other civil liberties groups, which have opposed the Justice Department's request and plan to tell the U.S. Third Circuit Court of Appeals in Philadelphia that Americans' privacy deserves more protection and judicial oversight than what the administration has proposed.
