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Scientists design a digital circuit made of molecules that may be able to crunch a wider variety of complex math problems than previous versions.
Some regional DNA differences may be due to climate, global surveys suggest.
Competing teams have announced the impending completion of the cacao DNA sequence.
Ancient DNA experts say they are analyzing a lock of Sitting Bull's hair.
Domesticated dogs passed a gene for dark fur color to their wild cousins.
A large study offers clues to the genetics behind lung cancer.
The mapped human genome begins to reveal its secrets.
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