Did you know that Egyptian hieroglyphics remained a mystery until around 1800? It wasn't until then that the Rosetta Stone helped crack the code!
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
xPlate tectonics : The theory supported by a wide range of evidence that considers the Earth's crust and upper mantle to be composed of several large, thin, relatively rigid plates that move relative to one another.
A new analysis of the unusually long solar cycle that ended in 2008 suggests that one reason for the long cycle could be a stretching of the sun's conveyor belt, a current of plasma that circulates between...Read more