Add Yahoo as a preferred source to see more of our stories on Google. Prime numbers are numbers that are not products of smaller whole numbers. Jeremiah Bartz A shard of smooth bone etched with ...

Hilbert’s 12th problem asked for novel analogues of the roots of unity, the building blocks for certain number systems. Now, over 100 years later, two mathematicians have produced them. Problems in ...

(THE CONVERSATION) 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 ...