The building of the Panama Canal was one of the most grandiose, dramatic, and sweeping adventures of all time. Spanning nearly half a century, from its beginnings by a France in pursuit of glory, to its completion by The United States on the eve of World War I, it enlisted men, nations and money on […] Read more

It may be hard to believe, but our climate today is mild. Since the last Ice Age just 10,000 years ago, the sea and the sky have conspired to keep that ice at bay. The oceans bring us our weather. But more than that, they are part of a vast and mysterious system that keeps […] Read more

It may be hard to believe, but our climate today is mild. Since the last Ice Age just 10,000 years ago, the sea and the sky have conspired to keep that ice at bay. The oceans bring us our weather. But more than that, they are part of a vast and mysterious system that keeps […] Read more

We are the masters of our planet. And for 200,000 years our intelligence has allowed us to rule unchallenged. But those days are drawing to a close. A new intelligence is rising … Artificial Intelligence. Our greatest scientists are on the verge of creating machines capable of independent thought. With intellects that could one day […] Read more

Nothing represents the mysteries of ancient Egypt more than the Great Sphinx. How did the Egyptians build this crouching lion, human-headed creature? Who built it and why? The riddles of the Sphinx have puzzled all who have laid eyes on it, from emperors to presidents. Before it’s too late, two teams of scientists and builders […] Read more

Compared with the billions of other stars in the Universe,the Sun is unremarkable. But for Earth and the other planets that revolve around it,the Sun is a powerful center of attention. It holds the Solar System together,pours life giving heat,light and energy to the Earth […] Read more

The Sun is the superpower of our Solar System – a thermonuclear blast furnace, erupting with massive explosions. At 93 million miles away it would seem that we are safe from the Sun’s wrath. But, are we? It matters, especially in modern times, what the Sun is doing. There are billions of stars in the […] Read more

Deep in the mountains of Western Sichuan, I’m hacking through a bamboo jungle, trying to find a legendary trail. Just 60 years ago, when much of Asia still moved by foot or hoof, the Tea Horse Road was a thoroughfare of commerce, the main link between China and Tibet. But my search could be in […] Read more

In April 1967, North Vietnamese Army units opened their biggest offensive of the Vietnam war. Their role was to draw American forces into the remotest parts of South Vietnam, far away from the populated areas. The hope was that the main attacks, scheduled for early 1968 would find the Americans deployed in all the wrong […] Read more