Chinese child policy increases gender imbalance: study

LONDON (Reuters) - China's one child per family policy has cut the country's birth rate and means men clearly outnumber women in the population, a study showed on Friday. DUBLIN (Reuters) - An Irish technology firm issued a challenge to the world's scientific community on Friday to give its verdict on technology it says smashes one of the basic laws of physics by producing "free energy." TORONTO (Reuters) - Delighted that prevention is finally at the front of the AIDS agenda, researchers backing microbicides and male circumcision cautioned on Thursday that they have years of hard work ahead of them before anyone will benefit from such methods.