Conversations: Killer clone armies, government censorship and making babies.
Embryologist Irina Polejaeva talks about the successes and challenges of cloning performance horses
The process that created Dolly the sheep in 1996 has now been proven successful in humans.
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.
Genetic copying is advancing fast, but cloning humans promises to be problematic -- a welcome setback for those who'd like to ban it.
PopSci talks with the new reproductive technology watchdog.
Vets hope little Got is as tough a fighter as his father the source of his genetic material was
In the movies, doubles are sinister or idiotic. Now we've got real-life test cases: genetically engineered cats
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
Biologists have developed a new cloning technique that lets them create new clones indefinitely, and keeps the animals' normal lifespans, too.
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.
In this corner: Robert Lanza, vice president of medical and scientific development, Advanced Cell Technology (ACT). And in this corner: Kent Redford, director, Wildlife Conservation Society Institute.
Lots of animals reproduce asexually. Why not humans?
Cloned ponies (clonies?) are beginning to prove themselves in the field.
Ten years ago, South Korean geneticist Woo Suk Hwang was caught making up data about cloning human stem cells.
Exotic science explained for the everyman
Pigs are offering new possibilities for studying Alzheimer's disease
It's just like Jurassic Park, except for real, and also with several key practical differences!
Going bald? Send in the clones
Ignorance: The Cost Goes Up