Irina Polejaeva has the secret to the perfect steak, but is America ready for her recipe?
Cloned ponies (clonies?) are beginning to prove themselves in the field.
Mouse milk (for people), spider-goats, pain-free cattle, and nine more
Embryologist Irina Polejaeva talks about the successes and challenges of cloning performance horses
Another step toward having your own reserve of spare stem cells on demand
In the movies, doubles are sinister or idiotic. Now we've got real-life test cases: genetically engineered cats
The castrated 'Strong-Willed Pig' could not otherwise reproduce
Scientists in Japan have been able, for the first time, to successfully clone a mouse from a blood sample drawn from a living donor's tail.
Biologists have developed a new cloning technique that lets them create new clones indefinitely, and keeps the animals' normal lifespans, too.
The process that created Dolly the sheep in 1996 has now been proven successful in humans.
Vets hope little Got is as tough a fighter as his father the source of his genetic material was
Cellphones, microchips, cars, even iPhones—there's virtually no high-tech Western product that China's cloners can't copy. Pretty soon, you might even prefer their work
In this corner: Gregory Stock, director of the program on Medicine, Technology and Society at UCLA. and in this corner: Panos Zavos, professor emeritus of reproductive physiology at the University of Kentucky.
South Korean officials are training seven cloned canines to work as drug detectors
An anonymous commenter has pointed out four different problems in last week's breakthrough paper.