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10. Early Diagnosis for Alzheimer's: If we can detect the disease early, maybe we can treat it more effectively.
9. The World's First Cyberweapon: The Stuxnet worm is the first cyberweapon to cause damage in the physical world--and Iran's nuclear facilities may have been its target.
8. Obesity Reaches Epic Proportions: With U.S. obesity rates still rising, public health officials and pharmaceutical companies are searching for new ways to prevent or treat the epidemic.
7. The Map of Everything: Astronomers use the new Planck space telescope to make a map of the entire infant universe.
6. Attack of the Bedbugs! These nastly little biters are now infesting movie theaters, department stores, and motels.
5. Family Genomics Links DNA to Disease: Thanks to cheaper genome sequencing, researchers can compare family members' genomes to find disease-causing mutations.
4. Climate Science's Big Chill: Climate change scientists spend the year on the defensive, and climate policy stalls.
3. Interview with E.O. Wilson: The evolutionary scholar is overturning his own trailblazing theories.
2. The World's First Synthetic Organism: Craig Venter hopes to one day fashion designer organisms that can produce drugs or churn out biofuel.
1. 4.4 Million Barrels Later (pictured): The Deepwater Horizon disaster gushed oil into the Gulf of Mexico for 86 days. What are the consequences for our energy supply?