Did you know that "megalith" means "big rock", which is certainly a good description of Stonehenge?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Plate tectonics
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.
Scientists have learned that microbes that live in the soil, like fungi and bacteria, don't produce more carbon dioxide when the climate is warmer. At first these microbes will produce more carbon dioxide,...Read more