Chimera Debates Continue

ABC's report on chimeras, the mixing of human and animal genes.

Animal-human hybrids have long been the stuff of fairy tales and myths — from the half-man, half-horse centaur to singing mermaids.
Now the swift pace of genetic engineering has some worried that such mixed creatures, known as chimeras after the fabulous beasts of Greek mythology, are making the leap from the pages of fiction to reality. More.