Introduction
In an era where satellite observations of Earth are commonplace, it’s easy to forget that only a few decades ago, the amount of information available about the state of Earth’s environment was limited; observations were…

Introduction
In an era where satellite observations of Earth are commonplace, it’s easy to forget that only a few decades ago, the amount of information available about the state of Earth’s environment was limited; observations were…

The Middle to Upper Paleolithic Transition approximately 50,000 to 38,000 years ago is marked by the decline and extinction of Neanderthals, the emergence and expansion of anatomically modern Homo sapiens. Paleoanthropologists at the…

Due to its thick, vast ice sheet, Antarctica appears to be a single, continuous landmass centered over the South Pole and spanning both hemispheres of the globe. The Western Hemisphere sector of the ice sheet is shaped like a hitchhiker’s…
