A volcanic vent is an opening exposed on the earth’s surface where volcanic material is emitted. All volcanoes contain a central vent underlying the summit crater of the volcano. The volcano’s cone-shaped structure, or edifice, is built by the more-or-less symmetrical accumulation of lava and/or pyroclastic material around this central vent system […] Read more

In Haiti, where survival has often depended on family and community support systems, Vodoo is family oriented, community based, and ultimately charitable. The basic rituals of Voodoo are ceremonies during which the many spirits are fed offerings; afterward the food is shared with the hungry. Still, Voodoo does have a sinister side: black magic, rites […] Read more

Challenge was a constant in the working day of William Henry Jackson, a challenge to his endurance … to pack the cumbersome wooden camers and glass plates across the wilderness, the uncharted mountains, canyons and rivers of Yellowstone […] Read more

With World War 11 ranging in Europe, the Germans we’re fighting a losing battle. They needed to look more powerful than they actually were, so they came up with a solution: build a bunch of fake airfields out of wooden decoys. But in fact, the Allies soon discovered that all those airfields were nothing more […] Read more

Spacecraft have been visiting Mars for more than 30 years. From orbit they’ve seen ancient floodplains, dried up lakebeds and river channels, strong evidence that this now cold, dry planet was once bathed in liquid water, the essential ingredient of life. Recently scientists have found life on Earth in places they never thought possible before: […] Read more

Mods Peter has chosen a grueling line of work. Whales are among the hardest of all animals to study. And the arctic is an utterly unforgiving environment in which to work. Mods Peter and his team are here to put satellite tags on the whales. Only then can they hope to chart the bowheads travelling […] Read more

One of histories most accomplished leaders at sea, ye today he remains a mysterious figure outside of his own country, an unrivaled naval superpower, in an age of discovery, could China have conquered the world? This is the story of one of the greatest armadas ever assembled. “When China ruled the waves” […] Read more

It’s something almost inherent in us to explore, and that’s what the space program is about. The power of space was to raise our aspirations to those things that are possible if we will commit. The most important thing that we have to pass on to our younger people is that the word “impossible” doesn’t […] Read more

Sir Winston Leonard Spencer-Churchill (November 30, 1874 to January 24, 1965) was a British politician, military officer and writer who served as the prime minister of Great Britain from 1940 to 1945 and from 1951 to 1955. Born to an aristocratic family in 1874, Churchill served in the British Army and worked as a writer […] Read more