Sea ice data is updated daily, with a one-day lag. On occasion, there is data delay which is usually resolved within a few days. The orange line in extent and concentration images (left and middle) ...

Discusses current research relating to phonics and presents strategies for successful phonics instruction, covering such topics as intervention strategies for struggling students and guidelines for ...

Charts and graphs : guidelines for the visual presentation of statistical data in the life sciences by Simmonds, Doig; Bragg, Gillian; Institute ofMedical and Biological Illustration Publication date ...