Scientists Found Air Trapped Inside A Rock For 815 Million Years And Set It Free | NYGazet

Looking inside the rock, scientists found a few surprises about Earth's ancient past.

Some of the oldest air ever studied by scientists was trapped inside rock over 800 million years ago. Cracking the rock open and allowing the air to escape, the team who found it got a pretty astonishing surprise about the ancient atmosphere of Earth... [3539 chars]