The most realistic pencil drawings, or hyperrealistic pencil drawings, can sometimes be hard to believe. But a skillful use of shading and the representation of extremely fine details in pencil really ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Up a rocky cliff ...

High on the list of awkward social interactions is the moment when a dentist or a co-worker shows off her young child’s nonsensical art. A bystander might think the art—or at least the fact of its ...

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 ...