New study examines rare sedimentary rocks atop some of the planet's oldest large land masses.
Reducing the speed of the already-slow replication process could be a new way to attack the disease.
Five space travelers had elevated levels of proteins in the blood often seen in people with head trauma and neurodegenerative diseases.
Signs of attraction such as laughs and gestures could not predict how much blind daters want to see each other again.
Giorgio Parisi’s work, which won him a share of the 2021 Nobel Prize in physics, has a surprisingly wide range of applications.
Fox-like dog described by first Europeans to visit the remote islands was an ecological anomaly.
Coverage of the Coronavirus Pandemic