Marie Tharp pioneered mapping the bottom of the ocean – scientists are still learning about Earth's last frontier

Despite all the deep-sea expeditions and samples taken from the seabed over the past 100 years, humans still know very little about the ocean’s deepest reaches. And there are good reasons to learn more.


Click here for original story, Marie Tharp pioneered mapping the bottom of the ocean – scientists are still learning about Earth’s last frontier


Source: Phys.org