02:39
Seafloor Spreading and Plate Tectonics (Part 2)
Geophysicist and geologist Tanya Atwater talks about the Deep Sea Drilling Project and the confirmation of magnetic reversals that provided strong evidence of seafloor spreading and plate tectonics.
06:22
The Ocean's Memory: Obtaining and Analyzing Sediment Samples
Despite its temporary nature, sediment remains uniquely valuable. As a result, oceanographers have worked hard to refine the process of obtaining and analyzing sediment samples.