As a math major (and a major nerd), I find a lot to geek-out about with hexagons. Did you know that a regular hexagonal grid or honeycomb is the best way to divide a surface into regions of equal area with the least total perimeter? The efficient design is used by bees, engineers, and quilters alike.
I'm looking forward to sewing with Moda's new pre-cut "Honeycombs" (laser cut 6" hexagons). Piecing hexagons together is not quite as simple as sewing rectangles or equilateral triangles, but it can be done almost as easily with the right pattern and preparation.
And there is always paper piecing--a relaxing, portable project that you can work on at a coffee shop, on a camping trip, or on your couch. Add in a few pentagons, and you've got yourself a stuffed soccer ball.
Hexagons also make a pretty awesome wedding cake, if I may say so myself...
Happy (Hexagonal) Stitching!