Scientists Discovered a Mystery Layer in Earth's Core

The Earth has three compositional layers: the crust, the mantle and the core. At least this is what we've long been told by geologists. But a recent discovery suggests that our planet has one more layer. Scientists that studies earthquakes found one more layer in the Earth's inner core. Let's take a look at it! #brightside Learn more about your ad choices. Visit megaphone.fm/adchoices