Do you know what famous horror novel was written during the "Year Without a Summer"?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Rayleigh wave
xRayleigh wave : A Rayleigh wave is a seismic surface wave causing the ground to shake in an elliptical motion, with no transverse, or perpendicular, motion.
Scientists have discovered two fossil skeletons of an ancient human ancestor – a species related to humans that had never been found before. The fossils, a young male and an adult female, formed almost...Read more