In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

DNA is the blueprint of life. Genes encode proteins and serve as the body's basic components. However, building a functioning organism also requires precise instructions about when, where, and how ...

A new DNA test could spare millions of breast cancer patients from chemotherapy. We answer your questions about what it means ...

PHILADELPHIA—Researchers have uncovered a fundamental rule that governs how genes are physically arranged inside the cell nucleus, and how disruptions to that organization can contribute to human ...