For bibliophiles, annotating books is a way of deepening their understanding of the text and enhancing their appreciation of literature. While there are readers who are experts at annotation, there ...

The Glanville fritillary butterfly (Melitaea cinxia) is an ecological model for studying how organisms live in spatially structured habitats. This seminal system, initiated by late Professor Ilkka ...

The markup tool in Safari lets you highlight text, add notes, insert your signature, and more. To access it on Mac, take a screenshot of the webpage or convert it into a PDF and use the Markup tool ...