One doesn’t have to be a Dylanologist to know, or even to sense, that “A Complete Unknown,” which opens on December 25th, simplifies Bob Dylan’s early professional life and dilutes its furies. To a ...

In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than all natural species do. By Carl Zimmer At the heart of all life is a code.

The findings, which detail how amino acids shaped the genetic code of ancient microorganisms, shed light on the mystery of how life began on Earth. "You see the same amino acids in every organism, ...