Did you know that about 250 million years ago, almost all life in the ocean became extinct?
Did you know that the ancient Greeks revered Gaea as the Earth goddess, and that she was the mother of the Titans and the first humans?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
xRefraction : Refraction is the deflection, or bending, of the ray path of a seismic wave caused by its passage from one material to another having different elastic properties; or the bending of a tsunami wave front owing to variations in the water depth along a
Created in the first three minutes after the Big Bang, hydrogen and helium gave rise to all other elements in the universe. Stars made this possible. Through nuclear fusion, stars generated elements such...Read more