Edwin Lyman is an internationally recognized expert on nuclear proliferation and nuclear terrorism as well as nuclear power safety and security. He is a member of the Institute of Nuclear Materials ...

A teacher whose students won last year’s competition shares the steps she followed. (Spoiler: It ends with the whole class doing the worm.) By Baylea Jones Educators, parents and district ...

Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...