Aug 9, 2026Discover the average and maximum depth of the Nile River, including factors that influence its depth variations along the river course.

Feb 16, 2026Discover why the Mariana Trench is the deepest known point in the ocean, reaching 36,070 feet with Challenger Deep.

Dec 26, 2025Explore the smallest sea in the world, the Sea of Marmara, located in Turkey and its ecological significance.

Nov 16, 2025Explore the frigid waters of the White Sea, recognized as the coldest sea on Earth, and its icy characteristics.