Emoji are those little images you can send in text messages to friends and family. Nine-year-old Leila in New Jersey wants to know how they were invented. So in this episode we find out with Jane Solomon, editor at Emojipedia and Paul Galloway of the Museum of Modern Art in New York. We learn what the first emoji looked like, way back in the dark ages of the 1990s and we explore how emoji may be a new trend, but communicating through pictures is a very old tradition. Plus, are emoji…art? Give this episode a 👂to find out!

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Why do walrus look the way they do? Why do they have such long tusks? Do they have other teeth? Do walruses migrate? We learn all about these majestic giants with Adam Ratner of the Marine Mammal Center in Sausalito, California.

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What’s the difference between seals and sea lions? Do seals bark? Are they gray? Do harbor seals live in snowy regions? Why do sea lions eat fish? Why do sea lions fight each other? Seals and sea lions are pinnipeds, fin-footed marine mammals, and we’re learning all about them today with a visit to the Marine Mammal Center in Sausalito, California, where marine biologist Adam Ratner answers all your pinniped questions!

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You can watch the sea lions at San Francisco’s Pier 39 no matter where you live by checking out the live stream at pier39.com/sealions!