Little Scientists are full of curiosity and a thirst for learning. They embark on exciting journeys into the world of knowledge, discovering humanity's most significant achievements and understanding our complex world.

Oceans are magnificent, hosting many creatures and hiding many secrets. How many are there, what areas do they consist of, and what is their deepest point? What is the food chain in the sea? How does the water level change? What are coral reefs and what are black smokers?