Odd corners of IP law, or how magicians deal with those who steal their tricks:
http://www.boingboing.net/2007/09/12/magicians-innovate-w.html

Ice cream dispenser sizes portions according to how sad you sound:
http://www.boingboing.net/2007/09/11/voicestress-icecream.html

"Geostationary Banana over Texas"
http://www.boingboing.net/2007/09/11/artist-will-send-300.html
and, just because, http://www.geostationarybananaovertexas.com/ (how can one resist a URL like that?)

Madeleine L'Engle tribute involving tesseracts:
http://www.boingboing.net/2007/09/11/a-fourdimensional-tr.html
(and for bonus points: http://www.tomorrowland.org/photos/uncategorized/hypercube.gif, which is one of the cooler hypercube animations I've seen)