Feature

Sequencing the dead to save the living

Reviving ancient genomes of long-extinct creatures offers a window into past extinctions—and may help prevent future die outs

By Ashley Yeager

- More than 2 years ago

Genes tell stories of disease, of health, of parentage, all recorded in the chemical composition of DNA. But to many biologists, one of the most exciting tales that sequences of DNA letters can tell is an evolutionary one.