I love their ability to move a pawn in D & D while simultaneously explaining to you the orbital trajectory of the planet.
There's something about smartypants humor that I just can't live without.
I stumbled across a blog post while visiting Chris Glass' blog (which you should check out if nothing else but for his stunning photography).
It turns out while regular people sing along to the radio, the brainiacs are making clever graphs charting the ins and outs of modern music.
Here's a sample:
You can check out other clever charts and graphs here.