At around 12:05 my rss feed in Google reader tells me that xkcd has updated. I read it, google Paul Erdős, find the wikipedia page, and by the time I've gotten to the bottom, the xkcd comic is linked.

I will offer more later. In the meantime have this:

Checking email and generally surfing the web, Bun-bun jumped up on my lap and made himself at home. For his own reasons, he leapt up and went over to the desk. Not even a second later Lily was standing on my lap.

I feel there should be some sort of "conservation of kittylap" law or theorem here. Alas, my math skills aren't up to it.