Ancient DNA has been pulled from a permafrost-preserved woolly mammoth found in Siberia, and scientists are thrilled. They ...

One-letter difference in our DNA determines whether BCG vaccine provides good protection against tuberculosis or not. Researchers have elucidated how that one letter difference affects the activation ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In 1957, just four years after Francis Crick and other scientists solved the riddle of ...

Many writers grouse when an editor makes a change in a story, but the consequences of changing a single word usually aren’t that dire. Not so with genetic instructions for making proteins. Even a ...

Cedars-Sinai scientists have created a new experimental drug called TY1 that helps the body repair damaged DNA and restore injured tissue. The discovery came from studying tiny molecular messages ...