US helicopter shot down in Iraq
A US helicopter has crashed in Iraq, after coming under small arms fire, the US military has said. Two helicopters were conducting operations near Baquba, 60km (35 miles) northeast of Baghdad. Both were hit; one crashed and the other managed to land safely at a nearby airbase. The fate of the crew is still unknown. The American military has secured the scene of the crash, US Central Command said in a statement.
Others' smoking harms IVF success
Women undergoing IVF should avoid other people's smoke to have the best chance of a successful pregnancy, say experts. Smoke from other people's cigarettes more than halved the likelihood that a transferred embryo would take and grow, a team of Canadian researchers found. It is already known that smoking can hamper a woman's fertility, but this latest study hints that exposure to others' smoke might be just as bad. The McMaster University research is published in Human Reproduction. |