Today I stumbled over space.stackexchange.com. If you don’t know stackoverflow: these are very useful question and answers sites, where both questions and answers are public, and answers can be up- and downvoted by every member, and where the author of the question can mark one answer as the solution to his question.
I still learn interesting things in slashdot.
Today, it’s the worktime cost of an Astronaut, which seems to be around $110.000 per hour. The comment even comes with a reference (Portland Press Herald).