Scientists have found 4.5 billion-year-old rocks — and they're shaking up how we see the planet's origins.

Eliud Kipchoge broke the marathon world record in Berlin in September with a time of  2:01:39. That’s TWO hours and slightly over one minute!  To put it it into perspective, in the same amount of time it took you to drive two hours away, Kipchoge RAN 26.2 miles without stopping!  He didn’t even look tired…