there are 5000 here in the farne islands. has been diving with seals for years. now he is capturing them on camera. recording behaviour that surprisingly has never been seen before. what we are seeing is a lot of mating behaviour under water, down to depths of nearly eight metres. a lot of bull seal activity where they will wrestle each other, pushing each other and turning each other. by having these competitions underwater, whether that reduces that conflict on the land and they remember that behaviour. we are getting an intriguing glimpse of a hidden world. understanding these animals could be the key to keeping their population thriving. with this beautiful and intricate model, you can see our solar system at a glance and explore how the planets move around the sun. but there's one world that dominates all others, and that'sjupiter. it's the biggest planet in our solar system and this year it had a new visitor. beneath its swirling clouds, jupiter is a world shrouded in mystery. these images, though spectacular, were take