Human-Animal Chimeras a Reality
Mice are being grown with human brain cells in their brains.Pigs are being raised that have human blood. Sheep withhuman hearts and livers have been created in a Nevadalaboratory. These creatures are called chimeras,human-animal hybrids.
In Europe, China and Japan, even more complex chimeras arebeing created in laboratories that are racing to use thesestrange beings to create radical new treatments that areexpected to revolutionize medicine.
Chimeras make it possible for scientists to study organs asthey function, rather than in artificial laboratorysettings, and represent a tremendous medical advance.
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