Earth: The Power of the Planet episode 4 - Oceans: Iain travels to surfers' paradise Hawaii to learn more about oceans, explaining the difference between waves, tides and currents. In the Amazon, he rides the world's longest tidal bore. In the beginning, there were no oceans: they are thought to have gradually formed from volcano steam and melted comet ice.
Last Science posts on HDclump.com:
https://hdclump.com/earth-the-power-of-the-planet-episode-3-ice/
https://hdclump.com/universe-the-big-bang-before-the-dawn-episode-5/
https://hdclump.com/earth-the-power-of-the-planet-episode-2-atmosphere/
https://hdclump.com/universe-black-holes-episode-4/
https://hdclump.com/universe-the-milky-way-island-of-light-episode-3/
https://hdclump.com/universe-alien-worlds-episode-2/
https://hdclump.com/universe-the-sun-god-star-episode-1/
https://hdclump.com/earth-the-power-of-the-planet-episode-1-volcano/
https://hdclump.com/the-sky-at-night-the-forgotten-solar-system/
https://hdclump.com/h2o-the-molecule-that-made-us-episode-2/
https://hdclump.com/h2o-the-molecule-that-made-us-episode-1/
https://hdclump.com/size-matters-episode-2/
https://hdclump.com/size-matters-episode-1/