Two of the most severe droughts in recent history — California now and Texas in 2011 and 2012 — are immediately obvious when graphed. And seen that way, it's not clear that we should expect California ...

Relations are hard. Any relationship counselor can tell you that, as well as anyone who has ever done research on any topic. Finding what other people have done in your domain is hard work, but it is ...

Bulletin (Académie serbe des sciences et des arts. Classe des sciences mathématiques et naturelles. Sciences mathématiques), No. 21 (1996), pp. 19-29 (11 pages) ...

In the virtual world, six degrees of separation - the theory that you are only six steps away from knowing any other person in the world - has probably narrowed down to three. Facebook, Twitter, ...