A film adaptation of Rebecca Yarros' best-selling ballerina novel "Variation" is in the works at Amazon MGM Studios.

Rebecca Yarros and Amazon MGM Studios are collaborating on a big screen adaptation of several of her books, including Variation.

Basic knowledge about the rate and range of mutation is central to our understanding of numerous evolutionary processes that include maintaining sexual reproduction and rates of molecular evolution.

The common sense definition of a new route is one that runs over unclimbed terrain. But a new route doesn't have to be 100% new. Hence, the confusion.

Variation in the cost, quality, and intensity of clinical services remains a challenge for health system performance in the United States. Despite increased awareness over its scope and implication, ...

Cesarean section rates vary widely across U.S. counties, yet it remains unclear how much of this variation reflects demand-side factors (such as patient risk or preferences) versus supply-side factors ...