Japan scientists breed salmon from surrogates

Japanese scientists have successfully bred a type of salmon using surrogate parents of a different species, in a breakthrough that could help preserve endangered creatures, the chief researcher said Tuesday.

Cuckoo's copying an evolutionary curiosity

(PhysOrg.com) -- A new study of brood parasitism in birds has shown that the nest-poaching New Zealand shining cuckoo's ability to mimic its grey warbler host is an evolutionary curiosity.