In San Diego, former airline-shuttle operator Conan Cott, the husband of U.S. Navy computer-systems and organization specialist Michele Cott, has been caring for the couple's 4-year-old twins since they were born.

WSJ: When the Wife Is the Breadwinner

Dr George Schmid, a specialist in HIV at the World Health Organization, said it could take many years to determine whether the technique was safe and effective, but he said the results were "encouraging".

BBC: Cell infected with HIV

The courses and seminars were given by UNESCO officials with the participation of experts from UNIDROIT, INTERPOL, the World Customs Organization, ICOM as well as a specialist of inventories (Object-ID).

UNESCO: CULTURE

"Large carnivores elicit strong emotions and their management is more socio-political than biological, " said Alistair Bath, a specialist on the human dimensions in wildlife management and a consultant to the conservation organization.

CNN: Group mounts image makeover for endangered carnivores