Do you know why volcanic ash is a problem for air travelers?
Did you know that, in Egyptian mythology, the sky goddess Nut married the Earth god Geb, and that the Sun god Re was angry, and so forced them to separate?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
P-wave
xP-wave : A compressional wave (or pressure wave) in the Earth's surface that shakes the ground back and forth in the same direction and the opposite direction as the direction the wave is moving
Scientists who study plants in the Sonoran Desert are worried about global warming. Desert winters have become warmer and drier over the years, and climate changes have pushed the arrival of winter rains...Read more