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
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.
Need funding for embryonic stem cell research? The National Institutes of Health say they'll only fund projects that use IVF embryos created specifically for reproduction
Take some Neanderthal DNA, mix in some stem cells, add it to a womb--bam, baby Neanderthal.
Another step toward having your own reserve of spare stem cells on demand
The last bucardo died in 2000, killed by a falling tree.
In Self/less, a dying billionaire “sheds” his mind into a younger man
Irina Polejaeva has the secret to the perfect steak, but is America ready for her recipe?
Scientists produce five clones of a dog that assisted with 9/11 search and rescue, and died in April
People who use hand sanitizers every five minutes, and other annoyances
Gone, but not forgotten.
U.S. cloning expert Martin Pera on the Korean cloning scandal, self-correcting science and the importance of sound PR
Mouse milk (for people), spider-goats, pain-free cattle, and nine more
Meet the world's first self-cloning python.
A scientist's fight against embryonic stem cell research.
Meet the extraordinary scientists whose innovations are bringing us robot cars, new cures and vaccines, the fastest-ever computer animations, and much, much more
We patrolled the halls of academe. We eavesdropped on the research grapevine. We asked scientists: Whose work is just plain brilliant?
What do the candidates' records say about their positions on genetic technology?
U.S. forces in Iraq are waging a pivotal campaign in modern warfare-combat on the first "networked" battlefield. One problem: the enemy has a few networks of its own
The castrated 'Strong-Willed Pig' could not otherwise reproduce
Randal Koene is recruiting top neuroscientists to help him make humans live forever
Opposite-sex partners: can't live with 'em, can't evolve without 'em
But wait, there's a catch
Everything you need to know about the hottest topic in
medicine, from big-league breakthroughs and new therapies to emerging health risks and the patients willing to take them
Chinese research bypasses the need for controversial embryonic stem cells
A too-brief encounter with Arthur C. Clarke, the grand old man of science-fiction visionaries.
Arsenic levels vary widely, but they are dangerously high in much of the country.
Forget medicine. Scientists want to engineer cattle that wonâ€™t get sick in the first place
Looking at a century of so-called progress
A century of agricultural innovation vastly increased the amount of food--but with it came an increased population, and now hunger is on the rise. Fixing it will require an unlikely alliance
I'll have the undiscovered-species banh mi, please
Hollywood genetically engineers some boffo box office
Will we grow babies outside their mothers' bodies?
Looking to boost your science smarts? First test your IQ organ, then follow our 6-point brain regimen. Soon you'll be crunching bogus claims and citing stats with the best.
Who could ask for anything more?
The web is crawling with jokes, hoaxes and more insidious fakes. Digital-image experts aim to develop foolproof detection tools, but until then, seeing is not believing
Go ahead, indulge your eyeballs.
Physicists are increasingly certain a mysterious force is driving the universe apart. If only they knew what it was.
For oenophiles and chocoholics, it was a very good year. For clean air: not so much.
Proof of a bioterror program is hard to come by. In the Iraq conflict, impatient politicians and media jumped to conclusions.
They die by the score.
A rash of climate-related deaths adds fuel to the debate about global climate change.
Industrial fishing practices are killing the oceans, endangering a key food source.
Space power politics shift as China, long a wannabe, successfully launches a human being into orbit.
War. Disease. Disaster. Science played a key role in a good deal of the year's bad news. But the discoveries were astonishing, too.
Columbia disaster: When Columbia disintegrated, killing all seven astronauts, it was shades of Challenger. Will NASA be undone by its obsessive focus on the shuttle?
Frightening as the epidemic was, worse plagues may await.
Our tribute to the 20 all-time greatest on-screen geeks
It's been gone since 1983, but the Lazarus Project has brought it back to life.
The more scientifically accurate the story is, the less fun the fiction.
Just shy of 10 years after scientists first made embryonic-like stem cells from adult cells, another team finds a totally different way to do it.
It's so hard to say goodbye to yesterday.
The Swiss surrealist behind the "Alien" film franchise has died at 74.
From reviving extinct species to hunting for dark matter, can a single scientist transform biology--and our lives?
A report from DARPA's Wait, What? conference
Researchers have found a known pathogen may help prevent pneumonia
And some went on to have healthy babies of their own.
The story of how one of the most polluted waterways in America came to be located in one of the country's most expensive neighborhoods. Also: dysentery, cancer, and arsenic poisoning.
Players love the tech, but pro and amateur organizations can hardly keep up with the new materials and radical designs that have rewired and sometimes hot-wired sports.
Drug lords, millionaire wannabes and the North Korean government have perfected methods for knocking off our most valuable greenback. Now the scientists in charge of making the real dough are fighting back with an unfakeable (for now) $100 bill
Taylor Wilson always dreamed of creating a star. Now he's become one
In a highlight of last week's conference, Gates calls for zero emissions and agrees with Obama: We need nukes
The interesting biology of breathing in diesel exhaust
The concept for Pap smears has been around for almost 100 years. Now a new test could replace it as a first-line screen for cervical cancer, but not everyone agrees that's a good idea.