When 94-year-old Amy Craton accepted her diploma earlier this week, she become one of the world's oldest college graduates When 94-year-old Amy Craton accepted her diploma earlier this week, she ...

HONOLULU -- 94-year-old Amy Craton Honolulu, Hawaii is a mother, grandmother, great grandmother - and she's also a newly minted college graduate. Craton first went to college in 1962, but put her ...

There are 35 large Archean cratons around the world that form the geologic core of tectonic plates. Because they’re located at the interior of plates, these landmasses often remain unaltered over the ...

In the course of billions of years continents break up, drift apart, and are pushed back together again. The cores of continents are, however, geologically extremely stable and have survived up to 3.8 ...