What is El Nino?
This activity explores the potential for climate variability and change to trigger...
Fri, 03/19/2010 - 14:51
Mapping the Ocean Floor
After an introduction in which students try to identify hidden objects by the...
Mon, 11/30/2009 - 18:21
Curasub Sets Off
The Curasub departs for a deep sea dive, up to 1,000 feet off the island of...
Inside the Submarine
Smithsonian zoologists inside the Curasub, a 5-person submersible. They're...