This is 4 more than last year. Our highly cited researchers are: Markku Kulmala, Tuukka Petäjä, Veli-Matti Kerminen, Douglas Worsnop, Mikael Ehn, Mikko Sipilä, Heikki Junninen, Jonathan Duplissy and Mikael Ehn from the University of Helsinki and Ari Laaksonen from the Finnish Meteorological Institute. This means that 25% of the most cited papers in Finland are produced in our group. Read more from the press release.