Birthmarks


Scientists Discover 4.5-Billion-Year-Old Rocks within Earth’s Mantle with Two Birthmarks

Scientists Discover 4.5-Billion-Year-Old Rocks within Earth’s Mantle with Two Birthmarks

Some rocks that are billions of years old have been found from the earliest era of the earth’s genesis. They are approximately...

May 16 2016, 6:58am CDT