Steve Spangler is an authority on STEM education with more than 1,800 television appearances to his credit. He's a regular guest on The Ellen Show and the host of the three-time Emmy-nominated television series DIY Sci airing on FOX affiliates nationwide. He is a best-selling author, an Emmy award-winning television personality and a Hall of Fame Speaker Inductee, as well as the bestselling author of two previous science books for kids, Naked Eggs and Flying Potatoes and Fire Bubbles and Exploding Toothpaste.

Established in 1846, the Smithsonian Institution-the world's largest museum, education, and research complex-includes 19 museums and galleries and the National Zoological Park. The total number of artifacts, works of art, and specimens in the Smithsonian's collections is estimated at 156 million, the bulk of which is contained in the National Museum of Natural History, which holds more than 145 million specimens and objects. The Smithsonian is a renowned research center, dedicated to public education, national service, and scholarship in the arts, sciences, and history. www.si.edu.