The work tests and revises a 50-year old textbook model, known as the Bloch hypothesis, for the evolution of sterol metabolism in eukaryotic cells. The results indicate that the complexity of sterol ...

Ribonucleic acid, also called RNA, is a molecule present in all living cells. It plays a critical role in transmitting ...

Scientists at EPFL and AstraZeneca have developed a method to map the atomic-level structure of amorphous drugs, demonstrated ...