Search

Search results

Displaying 261 - 270

Fish FAQ

Source: National Marine Fisheries Services' Northeast Fisheries Science CenterHow many fish species are there? The most often quoted estimate is 20,000. There may be as many as 20,000 more.Which is…

Crustaceans FAQ

Source: National Marine Fisheries Services' Northeast Fisheries Science CenterWhat is the difference between soft and hard shell crabs? They are the same species. A soft-shell crab is one that has…

The Closest Presidential Races

Presidential races that went to the wire by David Johnson and Beth Rowen Related Links Campaign 2016 Top Ten Closest U.S. Presidential Elections…

A Confused Columbus

Pinpointing the explorer's whereabouts on October 12, 1492 by Borgna Brunner   Christopher Columbus The Voyages First Voyage, 1492-1493San Salvador, The…

DK Science: Dinosaur Habitats

Triassic habitats (250–200 million years ago)Jurassic habitats (200–145 mya)Cretaceous habitats (145–65 mya)Not all the dinosaurs lived at the same time. Nor did they all live in the same part of…

DK Society & Beliefs: Culture

DO ALL MEMBERS OF A SOCIETY SHARE ONE CULTURE? IS THERE A GLOBAL CULTURE? DO CULTURES CHANGE? HOW DO WE LEARN A CULTURE? TRADITIONLANGUAGESUBCULTUREFIND OUT MORECulture is made up of all the…

Landmarks of Boston

by Dana J. Quigley photos by Carol M. Highsmith No city in the U.S. is richer in historical associations than Boston, and no city has retained more of its original buildings as memorials to…

America's Most Endangered Places 2006

The Smithsonian Institution and the World Trade Center stairs are considered endangered properties by Mark Zurlo Arts and Industries Building of Smithsonian Institution, Washington DC.…