It?s a relic that just may be old the Earth itself.Scientists have discovered a piece of the Earth?s crust that dates back roughly 4.4 billion years ? only a shade younger than the planet?s known origin.
It?s a relic that just may be old the Earth itself.Scientists have discovered a piece of the Earth?s crust that dates back roughly 4.4 billion years ? only a shade younger than the planet?s known origin.