Do you know what measurement Eratosthenes is famous for?
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. While desert winters have become warmer and drier over the years, climate changes have pushed the arrival of winter rains...Read more