Did you know that "megalith" means "big rock", which is certainly a good description of Stonehenge?
Did you know that there is some pretty strange stuff in space?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Spreading ridge
xSpreading ridge : An oceanic spreading ridge is the fracture zone along the ocean bottom where molten mantle material comes to the surface, thus creating new crust.
Air pollution can get high in the atmosphere – high above most of the clouds you see in the sky. Scientists are finding air pollution like black carbon, sulfur dioxide, and nitrogen oxides more than 2...Read more