Life all over the planet—even far from the coasts—depends on the oceans. A pair of NASA satellites, PACE and SWOT, is giving us a fresh look at Earth’s water. PACE tracks color changes driven by tiny plankton, which give us a big-picture view of ocean life. By measuring sea level height from space, SWOT shows ocean currents and other features in new detail. ... Show More
Apr 2025
Earth Series: From Space to Your Plate
Earth has an incredibly varied and ever-changing landscape—jagged mountains, arid deserts, lush rainforests, rolling wheat fields. Before NASA came on the scene, no one was keeping a systematic eye on the ground from above. NASA scientist Brad Doorn explains how one long-running ... Show More
31m 53s
Aug 2020
Lab 028: There’s Something in the Water
The ocean covers 70% of the earth's surface, but we know so little about it and how it affects our lives. In this Lab, Titi and Zakiya bring the ocean to your front door, exploring how the ocean is impacted by climate change and how it fights back. Guest: Dr. Ayana Elizabeth John ... Show More
39m 26s
Jun 2021
A Love Letter To The Ocean
Oceans cover nearly 75% of the Earth. While they seem vast and frightening, they're also enchanting and whimsical. This hour, TED speakers dive into stories of connection — and even love — in the sea. Guests include adventurer Catherine Mohr, marine biologists Marah Hardt and Aya ... Show More
49m 20s