May 30 (UPI) --A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique - the etchings, lines like tally marks, may have ...
Image made with elements from Canva. Let’s go back to grade school—do you remember learning about prime numbers? They’re numbers that can only be divided by themselves and one. So 2, 3, 5, 7, 11, and ...
Luke Durant was folding his laundry right into his suitcase ahead of a trip back home to Alabama when he decided to check his computer and see if he had made history. He figured that, like every other ...
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