News
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AnthropologyChicken of the Sea: Poultry may have reached Americas via Polynesia
Polynesians may have traveled back and forth to South America more than 600 years ago, introducing chickens to the Americas in the process.
By Bruce Bower -
TechNanotech bubbles
Creating large-scale, regular arrays of nanoscale components is now almost as easy as blowing bubbles.
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ChemistryIn a Fix: Agricultural chemicals disturb a natural relationship
Several pesticides can disrupt a partnership that enables certain plants to take up nitrogen by enlisting the help of bacteria.
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Health & MedicineGuilt by Association: Whole-genome scans yield disease clues
In a sweeping demonstration of the power of the new biology, researchers have linked two dozen genetic variations to six major diseases.