We're often taught that mistakes in art are to be avoided. Even kids are brought up to be perfectionists: to scrub it out and start again if their artwork doesn't go the way they planned. Of course, ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Hashtags have become a standard in ...