Slido is a polling tool that has recently launched a Google Slides add-on and a corresponding Chrome extension. With Slido installed you...

The U.S. stock market has been on a historic bull run over the last decade. That has a lot of people asking and a lot of talking heads on ...

topoView is a free service that anyone can use to find and download historical topographic maps produced by the USGS since 1880. The proc...

Over the weekend a reader emailed me asking about the possibility of creating folders in Wakelet collections. Wakelet doesn't have a na...

The Globe of Extremes is an interesting interactive map of the extremes of the Earth. On the map you'll find things like the deepest ...