GETTING enough sleep will be one of the biggest challenges facing the first astronauts travelling the 47million miles to Mars. Poor sleep was a key problem encountered by six volunteers during a 17-month simulated round trip to the Red Planet.The men - three Russians, an Italian, a Frenchman and a ...

U.S. Secretary of State Hillary Clinton told her State Department employees that she was ready to be out of the public eye, Politico newspaper reported.“I think after 20 years - and it will be 20 years - of being on the high wire of American politics and all of the challenges that come with ...