Not every nest in trees is a bird nest! Here's what a squirrel nest looks like and how to deter squirrels from nesting in ...

With the development of image processing technology, pencil drawing has been widely used in video games and mobile phone applications. However, the existing pencil drawing algorithms require a large ...

We took copious notes while testing the best note-taking apps available on iPad--feel free to sneak a peek at our answer key.