Skilled explorer or overreaching dilettante? Crusading abolitionist or violent murderer? General with the soul of a country on his mind? Or self-centered opportunist only interested in tapping the ...

Add Yahoo as a preferred source to see more of our stories on Google. In the 19th century, biology, physics, chemistry, archaeology, geology, geography, and paleontology took off like a rocket, as did ...

In the end, in the dark, it all came down to three things — experience, good judgment in the face of uncertainty, and penguin ...

But those expeditions in the late 1920s and early 1930s were just a slice of Pluschow's dashing life. It's a great tragedy of history to wonder what towering figures could have done if chance, fate, ...

Introduction: the great explorers -- Alexander Mackenzie -- Lewis and Clark -- John Colter -- Manuel Lisa -- Zebulon Pike -- Stephen Long -- Jedediah Smith -- The Patties -- Charles Wilkes -- John C.