xMoho : The boundary between the crust and the mantle in the earth. This is a depth where seismic waves change velocity and there is also a change in chemical composition. Also termed the Mohorovicic' discontinuity after the Croatian seismologist Andrija Moh
Scientists have been taking a close look at microbes that live in the ocean. The microbes they are studying are a type of bacteria and are very tiny. They may be small but they have a big impact on life...Read more