Have you signed up for the monthly NSIDC newsletter yet, featuring data news and updates, new research, and fun facts about the cryosphere? There's still time to get on the list before the January newsletter! eepurl.com/idIjvL. Image credit: Ted Scambos, CIRES National Snow and Ice Data Center Mission Antarctica by @MissionAntarctica A @grttme project - Other backups: @Hallotme