You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

You can easily draw in PowerPoint to mark and edit slideshows, or create your own designs, especially if you're using a touchscreen.

One pen. One line. No breaks. In this wild drawing challenge, I attempt the impossible: creating an entire piece of art using only ONE continuous line… for a full hour. No lifting the pen, no undo ...

In a recent study, mathematicians from Freie Universität Berlin have demonstrated that planar tiling, or tessellation, is ...