Eight reactions could connect ancient Earth to modern day. Here's how. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A missing piece of Earth's ...

Life evolved from simple geochemical processes present on the early Earth. However, the details of this transformation remain a mystery. In this study, researchers modeled the emergence of metabolic ...

As an assist to his students back in 1960, microbiologist Donald Nicholson sketched out a big chart of metabolic pathways; he thought it would help them to have it pinned up on a wall for ready ...

As people grow older, the same brain chemistry that once supported sharp thinking and stable mood can quietly start to work against them. A new wave of research is revealing how a single amino acid, ...