Russian economy minister elvira nabiullina and eu trade commissioner karel de gucht signed a memorandum of understanding that sets the terms to resolve all eu-russia bilateral issues .
Though there were some ' concerning findings ' , project leader elvira poloczanska said there were some positives , with new research suggesting that certain tropical fish species were better equipped to adapt to warming than previously thought .
On the sidelines of a summit between russian president dmitry medvedev and the leaders of the 27-nation bloc , there was even a ceremony with eu trade commissioner karel de gucht and russia 's economic-development minister , elvira nabiullina , signing a memorandum of understanding .
