DNA contains the biological instructions that drive the existence of every living organism, shaping the world as we know it. With the help of advanced technologies, these complex molecules can also reveal the secrets of people and creatures that came long before us. Scientists have studied DNA preserved within an array of centuries-old relics, from human remains, to fossilized rodents’ nests, to the pages of medieval manuscripts. Here are eight objects that have undergone DNA testing and yielded fascinating revelations about the history of life on Earth.
Daily Archives: March 20, 2020
For most of us, the COVID-19 virus has been a malevolent force, destroying jobs, wealth and social mobility. But for some, this new epoch is also an opportunity to draw on a lifetime of work to do good.