Few questions have captivated humankind more than the origin of life on Earth. How did the first living cells come to exist?

The electron microscope reveals the structure of this gossamer layer, which not only constitutes the exterior of the cell but also folds inward to make up much of its internal architecture ...

DNA is found in nearly all living cells. However ... Crick were pursuing a definitive model for the stable structure of DNA inside cell nuclei. Watson and Crick ultimately used Franklin's images ...