Smashing through the Arctic Ocean with the crew of a Russian icebreaker, herding reindeer across the tundra with Lapps, and shadowing the Trans-Alaskan pipeline with truckers—author Sara Wheeler will discuss her adventures in the beautiful and brutal Arctic from her book The Magnetic North, featured in the Boston Globe and the February 6 edition of the New York Times Book Review. The lecture and book signing will take place at the Harvard Museum of Natural History, 26 Oxford Street, beginning at 2 pm on Saturday, March 12. Free with museum admission.  For more information log on to www.hmnh.harvard.edu.