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Human Scent Is Even Sweeter For Malaria Mosquitoes

Scientists used a Dutch woman's dirty stocking to learn that mosquitoes infected with malaria find humans hard to resist. Like a fungus that turns ants into zombies, the parasite seems to change the behavior of the mosquitoes for its own benefit.

Stem Cell Milestone Revives Intense Ethical Debate

Scientists in Oregon have achieved something that has eluded researchers for years. They have created stem cells that are tailored to individual patients, made from cloned embryos. That would open the door to treating many diseases, including Alzheimer's, Parkinson's, diabetes, spinal cord injuries and many others. But researchers face ethical dilemmas.

Cloning, Stem Cells Long Mired In Legislative Gridlock

The news that scientists have successfully cloned a human embryo seems almost certain to rekindle a political fight that has raged, on and off, since the creation of Dolly the sheep. It's a fight that has, over the past decade and a half, produced a lot of heat and light and not a lot of policy.

Can Star Power Make New Orleans' Food Deserts Bloom?

Actor Wendell Pierce, who stars in David Simon's Treme, is trying to combat New Orleans' food deserts by building convenience and grocery stores in the city's neediest areas. But a host of stumbling blocks still make it hard to get fresh, healthful foods to people living in these areas.

When The Missing Return, Recovery Is Long, Too

More than 300 freed abductees are part of an online community they call the RooterHood, where they can share their stories, their fears, and get help.

How Researchers Cloned Human Embryos

After decades of trying, scientists say they've finally figured out how to make personalized embryonic stem cells. One day, these designer cells may help treat an array of diseases. A jolt of caffeine and and a little electric shock helped to do the trick.