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?
xShadow zone : The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being b
Conservation efforts to protect endangered corals in the Caribbean focus on the areas that have the largest variety of species. Ann Budd of the University of Iowa and John Pandolfi of the University of...Read more