This week in science: Japanese researchers find out just how many times you can clone a clone; CERN takes antimatter on a ...

The study concludes that the risk of H5N1 becoming endemic in the region is high. With scavenging seabirds acting as long-distance vectors, the threat of further spread to Oceania and other untouched ...

Diseases transmitted by insects present another evolutionary front: Insects themselves can evolve resistance to the poisons that people use to kill them. In some African locales, Anopheles is already ...