Have you ever stopped to suppose where oxygen comes from? Your first idea may be a rainforest, but right here’s a fab technology reality for you: We can thank plant-primarily based marine organisms for all that sparkling air, in keeping with the National Oceanic Service. Plankton, seaweed, and other photosynthesizers produce more than half of of the arena’s oxygen. While we might also recognize the answer to this question, scientists nonetheless can’t provide an explanation for those different ocean mysteries.