Contrary to what you may intuit, the Earth's gravity isn't uniform, and there's one place where it's much weaker than anyone ...

After years of debate many lines of evidence now favor the idea that the present continents were once assembled into two great land masses: Gondwanaland in the south, Laurasia in the north ...

Laurasia, the northern half, broke up into North America and Eurasia. Gondwana, the southern half, began to break up by the mid-Jurassic. The eastern portion—Antarctica, Madagascar, India ...