I would be happy about any information which would help to estimate how long our deep freezer has been melted. According to Jaana the deep freezer worked properly at least on Wednesday (last week!). Liisa Räisänen University of Oulu Department of Biology/Genetics PO.Box 3000 FIN-90014 Oulu Finland Liisa.Raisanen@oulu.fi fax 358 8 553 1061 tel 358 8 553 1792