Did you know that "megalith" means "big rock", which is certainly a good description of Stonehenge?
Did you know that, according to ancient Chinese myth, humans were generated from the fleas which lived on the body of the giant Pan-Ku?
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
Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled, beginning 4.568 billion years ago. Results...Read more