Two continents are drifting at a rate of 7 centimeters per year and could eventually collide, reshaping the planet. The Highest Grossing Movies of All Time Fans are all saying the same thing about ...

His theory is that the continents consist of rigid blocks of sial, or rock charac terised by a high percentage of silica and alumina, which are floating partly submerged in a sheet of sima ...

Here you will find videos and activities about the seven continents. Try them out, and test your knowledge with a short quiz before exploring the rest of the collection. Oh hello! I’m just ...

That initial dive sparked a passion that recently resulted in a once in a lifetime achievement: A Guinness World Records title for the fastest time to scuba dive on all seven continents.