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Featured by Rebecca Skloot
The Body Bank
A skin-care company builds a futuristic facility to stockpile human tissue. Should you donate?
Hurricane Katrina Update: Conflicting Advice Floods New
More than 70,000 residents have returned to the city. But is it still dangerously polluted? Experts clash over the answer
Hype That Breaks Your Heart
The Issue: Just in time for Valentine’s Day, the news hit that a breakup or a surprise party could kill us. Well, not quite
Face-Off: Titans of Cloning
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.
Putting the Gene Back in Genealogoy
Your DNA holds the secrets of your ancestry, and at least a dozen companies offer to crack the code. But there's more than a bit of hype here.
Putting the Gene Back in Genealogy
Your DNA holds the secrets of your ancestry, and at least a dozen companies offer to crack the code. But there's more than a bit of hype here.
Sally Has 2 Mommies and 1 Daddy
Infertility Update: Making babies -- and birth defects?
Soldier Meds: Are They Safe?
The FDA sidesteps human safety trials to clear a risky anti-nerve-gas pill.
When Killer Bugs Bite Back
Infectious diseases: A rogues' gallery of the germs that laugh at the best drugs we've got.