If your liver fails, having 40 small but functional livers scattered around your body might be the next best thing. 04.11.2012
Scientists had high hopes for reprogrammed stem cells, which could be derived from a patient's own tissue and grown into any type of cell in the body. But two studies this year highlighted major issues with reprogrammed cells, making their path to the clinic look longer than ever. 01.05.2012
Turning them into eggs and sperm, courtesy of stem cell techniques, could make all the difference. 12.22.2011
A personalized source of stem cells could help find safer, more effective treatments for mental disorders. 10.25.2011
A remarkable substance extracted from pigs enables the body to regenerate lost tissue, including fingertips and big chunks of muscle. And that may not be all it can do... 09.26.2011
Jacob Hanna is headed back to his homeland, Israel, as one of the youngest leaders in one of science's hottest fields. 05.14.2011
One key is getting rid of the donor's pesky cells, leaving the some critical structures behind. 01.27.2011
Every year DISCOVER sorts through the scientific accomplishments of the past 12 months, and assembles a list of the coolest experiments, most brilliant discoveries, and most world-changing events. As you page through the countdown to the #1 science story, we think you'll come to the same conclusion we did: 2010 was quite a year. 12.16.2010
Sarah Heilshorn uses new methods to try to heal brain and spine injuries once thought of as untreatable. 12.04.2010
Tiny telescopes, gene therapy, and more: Medical researchers are developing high-tech ways to treat blindness. 11.09.2010
Biologist Ian Wilmut on his hopes for science over the next 30 years 09.14.2010
Obama brought a big policy improvement, and researchers made big leaps with the science. 01.25.2010
Treatments for cancer, blood diseases, and even HIV are finally realizing some of the potential for stem-cell medicine. 12.14.2009
New studies show promise for using a person's own stem cells to protect them from autoimmune disorders like diabetes and multiple sclerosis. 09.21.2009
For years, gene therapy produced tons of hype but no results. Recently, though, new approaches have yielded its first successes: breakthrough treatments for blindness, cancer, and the deadly bubble boy disease. 09.02.2009
Bioengineers will likely control the future of humans as a species. 02.02.2009
It's not quite the same, but lab-generated blood gets the job done. 12.19.2008
Stem-cell guru says reprogramming adult cells might actually work better. 12.19.2008
Young innovators are changing everything from theoretical mathematics to cancer therapy. 11.20.2008
How researchers can make meat that's better for you—and better for animals. 09.22.2008
Stem cell and cloning guru Robert Lanza has battled the Catholic Church, the White House, and violent protesters. 08.19.2008
The Vatican keeps close tabs on the latest science—and integrates new research into its modern theology. 08.18.2008
Eric Drew miraculously recovered from both cancer and identity theft. 04.09.2008
Bush says he won the war, but the prez ain't seen nothin' yet. 03.03.2008
Stem-cell research lurches along through roadblocks and red tape. 10.19.2007
Another potential use for stem cells: procreation. 06.15.2007
Can a chemical cocktail turn any old adult cell into a stem cell? 10.11.2006
How abhorrence and attraction affect our bioethical judgment. 10.11.2006
The retiring president of Caltech delivers some straight talk on AIDS research, celebrity science, and his role in one of the most talked-about fraud scandals of the past 25 years. 09.01.2006
The case for chimeras 05.28.2006
Second Act For Stem Cells 04.27.2006
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Just ask this pig 09.09.2005
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I'm an experimentalist, and the only way I can tell you if it works is to try it 04.28.2005
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Determining when life begins is complicated by a process that unfolds months before a sperm meets an egg 05.29.2004
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Year In Science 01.13.2002
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Stem cells, capable of generating an endless supply of red cells, white cells, and platelets, have also generated a heated scientific controversy--and millions of dollars for the man who claims to have found them. 03.01.1995