We use these measurements along with laboratory studies here on Earth and geophysics to understand the material layers inside ...

That’s relevant for digging through the Earth, because when a hole is dug or drilled, the walls along the sides of the hole ...

It is a geological period — and I'm going to give the strict definition of the Anthropocene — there is a layer of human-made materials in the top layer of Earth's crust that ... just the case that ...

Applied geophysics is the study of how the Earth works and what it's made of ... sometimes in diverse or extreme environments, adds a layer of physical demands including stamina and adaptability. But ...