Well, sex chromosomes, anyway. The article linked below is extremely well-written, informative, and enjoyable. Check it out!
For Motherly X Chromosome, Gender Is Only the Beginning - New York Times
Friday, May 4
Wednesday, May 2
Randall Munroe already did a "topographic" map of Internet locations here, but today's comic (link below) is a map that actually depicts user population for various Web-based communities. I'd say that I live mostly in the IRC isles, with frequent trips to del.icio.us. I view the rest of the Web with a telescope (i.e. RSS feed subscriptions).
xkcd - Online Communities
This work is licensed under a Creative Commons Attribution-
The Geek Code desperately needs updating, but in any case here's mine (as of 2010-02-28):
-----BEGIN GEEK CODE BLOCK-----
GIT/MU d+(-) s:+>: a C++> ULXB++++$ L+++ M++ w--() !O !V P+ E---
W+++ N o++ K? PS PE++ Y+ PGP t !5 X- R- tv+@ b++ DI++++ D--- e*++
h--- r+++ y+++ G+
------END GEEK CODE BLOCK------
If you really care about knowing what that all means, you either know the code already, or you can get it decoded for you here.