Running is in our DNA, but training for a marathon is a careful mix of muscle, mental, and technological strength.
Pioneering surgeons have made it possible to transplant a human uterus that can bear children, offering hope to millions of women who never thought they could give birth.
Stories from the coolest day jobs in the world.
A few bright points throughout the year.
What's cooler than the Arctic ocean? The sharks that live there.
Short answer: It all comes down to portion control.
Randal Koene is recruiting top neuroscientists to help him make humans live forever
The ability to reprogram the immune system is one of the most sought-after goals in medicine. Now researchers are closer than ever to pulling it off in patients with Type 1 diabetes, one of whom happens to be our correspondent
Your cellphone does not in itself cause cancer. But in the daily sea of radiation we all travel, there may be subtler dangers at work, and science is only just beginning to understand how they can come to affect people like Per Segerbäck so intensely
Obesity is booming, yet there are only two medications approved for long-term weight loss. Why is it so hard to make a diet pill that works? For one thing, evolution hates diets
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
America is haunted by 100,000 missing persons and 40,000 unidentified sets of remains. Only one lab can truly connect the lost and the dead—and it's revealing the secrets of serial killers in the process
See the top ten hurdles facing game designers today, and the cutting-edge tech that will soon make them relics of the past
A former spy's excruciating death by radiation poisoning marks the beginning of an era of high-tech hit men who can kill from anywhere
Some transhumanist Web sites that are worth checking out
Controversial theorist Aubrey de Grey insists that we are within reach of an engineered cure for aging. Are you prepared to live forever?
Can private industry revitalize embryonic stem-cell research in the U.S.?
Forensic scientists in Switzerland are pioneering a whole new way to do autopsies. No scalpel required.
Awed at the pace of technological advances, a faction of geeky writers believes our world is about to change so radically that envisioning what comes next is nearly impossible.
Last July, 9-year-old Alex Everett received his first shot of synthetic human growth hormone--an injection he will get every night for eight years. Alex is not sick--he is short. Should we be treating stature as a medical condition?
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.