How England Evacuated London’s Children Ahead of World War IIOperation Pied Piper organized the evacuation of some 800,000 children from urban “target” locations in anticipation of Nazi bombings.Read more
Why (and How) Engineers Drained Niagara Falls in 1969For five months in 1969, water flowing to the New York side of Niagara Falls was diverted, leaving a 100‑foot‑high dry cliff.Read more
Sue the T. rex: 6 Facts About the Famous Dinosaur FossilThe Tyrannosaurus rex fossil known as Sue carries a controversial past—and has revealed fearsome facts about its species.Read more
This Little‑Known Peruvian Civilization Built Pyramids as Old as Ancient Egypt’sCaral was an architectural marvel—a 1,500‑acre complex constructed by the oldest known civilization in the Western Hemisphere.Read more
9 Intrepid Women ExplorersFrom a Viking ‘far traveler’ to a Soviet cosmonaut, these fearless women blazed daring new trails.Read more
The Chinese‑Born Engineer Who Helped Launch US Commercial AviationWong Tsu’s 10 months at Boeing in 1916‑17 led to the fledgling airplane manufacturer’s first military plane, first airmail plane and eventually, its first passenger plane.Read more