Breakthroughs in Science

For teachers planning to focus on volcanoes this year, see this Web site maintained by Dr. Shan de Silva, professor of geosciences at Oregon State University. The site includes curricula, a kids page, a blog about ongoing volcanic activity and a world map showing volcano locations.

There is evidence that this current has shut down with some regularity in the past — and sometimes quite rapidly — in response to large influxes of fresh water from melting glaciers. However, it appears as though the current rate of glacial melt is occurring at a more gradual pace which will “give ecosystems more […]