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Will Cloning Endangered Animals Create a Modern-Day Jurassic Park?
Animal Cloning: Some Benefits, Many Drawbacks, and Next Steps
The pros and cons of a hot-button issue.
Stem Cells Give the Gift of Sight
First patients to undergo embryonic stem cell treatment are showing improvements after just one week.
Glow-in-the-Dark Puppies to Help Genetic Research
Retro Action, December 27, 2002: Scientists Clone Human Baby. Or Do They?
Is Cloned Cow Milk Safe to Drink?
The Daily Wild: Feline and Fabulous
Photo of the Day: Guns and Rebar
Your Fragile Planet: 'Angel Oak'