Rapid increase in West Siberia's retrogressive thaw slumps since 1964 associated with Arctic winter warming. - Nesterova, Nina; Leibman, Marina; Stadie, Carl; Hölzer, Tobias; Nitze, Ingmar; Tarasevich, Ilia; Maier, Kathrin; Vasileva, Maiia; Lantuit, Hugues; Küpper, Jonas; Grosse, Guido (Scientific Reports, 2026)