Glaciers Before and After April 28, 2014NewsSwan http://www.naturpanorama.ch/glacier/glacier_comparison_overview.asp
Ocean Currents and History Lab Links April 8, 2014NewsSwan http://oceanmotion.org/html/research/ebbesmeyer.htm http://oceanmotion.org/html/resources/drifter.htm http://oceanservice.noaa.gov/education/kits/currents/06conveyor.html https://www.youtube.com/watch?v=LkRQjTdTvFE http://oceanmotion.org/html/resources/voyager.htm