Around 45 percent of human DNA is made up of transposable elements, or TEs—genetic leftovers from now-extinct viruses that scientists once believed to be “junk DNA.” But that view is changing, and a ...

Scientists first read the human genome, a three-billion-letter biological book, in April 2003. Since then, researchers have steadily advanced the ability to write DNA, moving far beyond single-gene ...

WASHINGTON - The book of genetic instructions for the human body is complete to an accuracy of 99.99 percent, a scientific achievement once deemed impossible but now considered the foundation for a ...