This third eyelid is very prominent in birds, and it effectively acts like a windshield wiper to sweep away any dirt that gets in their eyes. It also helps them to keep their eyes moist, which you can ...

If you're looking for a quick way to edit or sign a PDF document, there are free and easy-to-use tools for iOS, Windows, and ...

The magazine’s Ethicist columnist on the curation of a book collection.

On New Year's Day, a user named "HackerDude" on the MobileRead forums released a new jailbreak called WinterBreak for Kindle 5 and newer devices (via Notebookcheck). This is the o ...

Tired of the same old e-reader apps offered by big tech giants? Consider trying out one of these excellent indie offerings ...