A new geological model revolutionizes a century of theories: a rigid wedge of mantle keeps the Himalayas standing.

There is more to the Earth than what we can see on the surface. In fact, if you were able to hold the Earth in your hand and slice it in half, you'd see that it has multiple layers. But of course, the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In elementary school science class, we learned that the Earth has ...