Cosmic Mysteries Science Can't Explain: 25 Things You Never Knew About The Earth: Did you know that only 20% of the worlds waterways have been explored? It truly remains one of the biggest mysteries ...

The footage revealed surprisingly diverse habitats like sponge gardens, coral reefs, and kelp reefs. Videos from seals, dolphins, and sea lions can help scientists map uncharted parts of the ocean.

Cameras and tracking instruments were glued to small pieces of neoprene that were then glued to the fur of the sea lions. Image: Nathan Angelakis. The world’s seabeds are little explored, and the ...