Spam: Ever seen this in referrer logs, and wondered if the International Atomic Energy Agency really had linked to your site? Sourcefrog has.
Of course, it isn’t them. In reality, it’s a spambot called Atomic Harvester 2000. This is how spammers get ‘targeted lists of email addresses’; they throw a couple of search terms into this, it hits Google, and scrapes all email addresses from the pages found. More info: