Mitochondria and the art of DNA maintenance

Humans have 46 chromosomes, and each one is capped at either end by repetitive sequences called telomeres. If you ask a biologist if humans have circular DNA, they are likely to say 'no.' That is because eukaryotic cell nuclei ...

SKorean experts claim to have cloned glowing dogs

(AP) -- South Korean scientists say they have engineered four beagles that glow red using cloning techniques that could help develop cures for human diseases. The four dogs, all named "Ruppy" - a combination of the words ...

Diabetes in mice cured rapidly using human stem cell strategy

Researchers have converted human stem cells into insulin-producing cells and demonstrated in mice infused with such cells that blood sugar levels can be controlled and diabetes functionally cured for nine months.

Artificial photosynthesis can produce food without sunshine

Photosynthesis has evolved in plants for millions of years to turn water, carbon dioxide, and the energy from sunlight into plant biomass and the foods we eat. This process, however, is very inefficient, with only about 1% ...

US 'superweeds' epidemic shines spotlight on GMOs

The United States is facing an epidemic of herbicide-resistant "superweeds" that some activists and researchers are blaming on GMOs, an accusation rejected by industry giants.

Primate evolution in the fast lane

The pace of evolution is typically measured in millions of years, as random, individual mutations accumulate over generations, but researchers at Cornell and Bar-Ilan Universities have uncovered a new mechanism for mutation ...

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