With more than 100,000 species, the phylum Mollusca is extremely diverse and ranges from snails the size of a grain of sand to the giant squid. Living in marine, terrestrial, and freshwater environments, mollusks can be found in nearly every ecosystem on the planet. While not all mollusks have them, these eye-catching shells are a recognizable characteristic shared by much of the phylum. 🐚 [video description] a number of white drawers are pulled open to reveal a wide range of mollusk shells. Th

The Smithsonian's National Museum of Natural History has over 144 million different specimens in its collections, but only about one percent are on display to the public. That other 99 percent? Deep in the archives, available only to scientists for research and study — and, now, us! Let's dive in. #LexusCuriosity This Great Big Story was made possible by Lexus. | Great Big Story

2.2M views · 232 reactions | Tinder for wolves? Maned wolf matchmaking gets a little help from science and Smithsonian’s National Zoo and Conservation Biology Institute. Their survival depends on it. | Smithsonian | Facebook