What's your favorite scientific paper?
rawwell: 378 page attempt to proove 1+1=2
http://scienceblogs.com/goodmath/2006/06/extreme_math_1_1_2....
"after 378 pages, <Bertrand Russell and Alfred North Whitehead> were able to talk about how you could prove that 1+1=2. But they couldn't actually do it yet, because they hadn't yet managed to define addition."