Spatial thinking, or reasoning, is the capacity to mentally or physically understand the location and movement of objects and ourselves in space. It is not a single ability or process, but a number of concepts, tools and processes that work together.

In a Web search for the word STEM, Google returns more than 200 million results. STEM today is a hot topic and Web pages are being created at a frenetic pace, which can be quite overwhelming for users. Websites may have outdated information, be difficult to navigate and, occasionally, even provide bad information. Your time is precious, so to help you navigate the World Wide Web of STEM information I am providing my current pick of some of the best STEM resources available today.